Can you use the law of cosines if you are given a = 41, b = 55 and the measure of angle a equals 56 degrees ?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Interpret the following expression (5y^2-7)^3/(2y)^2

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.