math
Mary's test grades were 73, 86, 89, 84, and 86. Mary's teacher recorded one of her grades incorrectly. Instead of an 86, Mary's second test score should have been an 84. Which measure(s) of central tendency are affected by this change?
Pre-cal
How do I find the reference angle in radicals given the value of cosecant 5 pi/6?
math
Which of the following is the solution to the matrix equation below? [0 9 2] [18] [3 2 1] x=[5] [1 -1 0] [-1] a) [-3 -2 18] b) [-3 2 -18] c) [-3] [-2] [18] d)[-3] [2] [-18]
math
Use (Triangle) PQR with coordinates P(2, –1), Q(0, 5), and R(–2, 0). Which matrix expression can be used to translate (triangle)PQR 1 unit left and 3 units up?
Math
it costs $175 to rent a jet ski for 2 hours. it costs $300 to rent a jet ski for 4 hours. write an equation that represents y (in dollars) of renting a jet ski for x hours.
math
thanks for all help Ms.Sue.
math
Renter’s Insurance protects a person who is renting an apartment from losses or damages that can occur in the apartment setting. Give two examples of things that could happen in an apartment that would be protected by having renter’s insurance.
math
x^2+6x=24
algebra
Sam's plasma tv has a 14inby18in screen and border. The total area of the tv 480inch^2. How wide is the trim
Physics
What is the electric field midway between an electron and a proton separated by 0.7 nm?
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