What are the solutions to the nonlinear system of equations below? Check all that apply.

y=4x

x^2 + y^2 = 17

A. (17,4)

B. (17,-4)

C. (-1,-4)

D. (1,4)

E. (-4,1)

F. (4,-1)

There are 8 teachers and 40 students going on a field trip. If 20 more students decided to go on the field trip, then how many more teachers must go to keep it proportional? A. 5 more teachers B. 4 more teachers C. 2 more teachers D. none

Simplify the expression 9-8b+6b 9-8b+6b . 9-8b+6b=? haha last one XD

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Find the discriminant of x^2+4x-32=0

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