Math
If Will gives Molly $9 he will have the same amount as her. If Molly gives will $9 the ratio of the money she has to the money Will has will be 1:2. How much money does Will have in the beginning
Statistics
How do you calculate the percentage of women that have weights between 140 lb and 220 lb with a mean of 145 lb and a standard deviation of 31 lb?
geometry
the pentagons are similar. the area of the smaller pentagon is 30m squared. what is the area of the larger pentagon in m squared?
physics
a) (304/26.7)*2 = 22.8 b) 26.7/22.8 = 1.173
pre-algebra
you have twice as many dimes as you do nickels and two more quarters than nickels that equals $2.50
critical thinking
1. Identify areas of environmental concerns. According to the area that the Bivouac site will be set, it will be an area where there will be hills, wetlands (water source), several winding streams, and one large river and some marked-off archeological sites. This are the envir...
Physics
An audible standing wave is produced when air is blown across a pipe that is open at both ends. If the pipe is 29 cm tall, what is the frequency of sound produced?
math
there were 490 altogether in 2 groups. group A consited of only boys and group b constied of only girls. ther were 2 and a half times as many girls as boys. some girls joined group b and foe every 4 boys in group a 32 more boys jioned the group. the total number og girls was t...
Math
Tap A was turned on to fill a rectangular tank of 50 cm by 40 cm by 28 cm with water at a rate of 6 liters per minute. After 2 minutes, Tap B was turned on to drain water from the tank at a rate of 2 liters per minute. 6 minutes after Tap B was turned on, both taps were turned...
PSY
The correct answer is D
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