algebra
im not sure how to solve this: x^2 --- -9 x^2-9
algebra
a merchant wants to stock the shelves with 100 Ibs. of a mixed nuts that cost $8.00 a Ibs. the merchant has cashews and peanuts. peanuts cost $6.00 a Ibs. and cashews cost $12.00 a Ibs. how many Ibs. of each should the merchant use in the mixture?
math
thank you guys so much
math
A boat traveled 45 miles downstream (w/ the current) in 3 hours and made the return trop (against the current) in 5 hours. What was the speed of the boat and what was the speed of the current?
math
how do you rewrite the expression to the 1st power of cosine by using power-reducing formulas? PLEASE AND THANK YOU :D sin^2xcos^4x
psychology- the mind at work
11. By comparison with the Stanford-Binet IQ measure, an advantage of the Wechsler Scales is that they A. have never been associated with the concept of mental age. B. accentuate the importance of reasoning over performance. C. provide an advantage to people who don’t rel...
Geometry
In rhombus ABCD, AB=20 and AC=25. Find the area of the rhombus to the nearest tenth.
Psychology ; the mind at work
those answere are not right so dont use them
algebra
oh ok :)
algebra
my way worked too
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