Maya makes $7.25 an hour. this week she worked 20.25 hours. estimate how much maya made this week by rounding the numbers involved in your calculations to the nearest whole number.

Answer this question only if you know the answer! 30 points and

Solve the system of equations. y= 2x y= x^2 - 15

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2