Blake is working his way through school. he works two part time jobs for a total of 31 hours a week. job pays $5.80 per hour and job b pays $7.50 per hour. how many hours did he work at each job the week that he made $212.10

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

What is the equation of the parabola with focus (-1,-1) and directrix y=1?

Solve the equation for x. 50(4x + 12) = 200