What is the approximate solution of this system of equations y=2^x and y=3x

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.