Find f(-3)
f(x)=4x+7
A) -5
B) 5
C) 6
D) 10

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

What is the number 321,000,000 in scientific notation? also what is the number? ?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.