What number should be added to the expression x2+6x to change it into a perfect square trinomial?

A. 3

B. 6

C. 9

D. 12

A Kingda Ka train has 4 seats per car, but the last car has only 2 seats. How many seats are on one Kingda Ka train?

The graph of which of the following equation has x-intercept of 3 and 0? y = x + 3 y = x² + 3x y = x² - 3x y² - 3y = x

Identify the number as real, complex, pure imaginary, or nonreal complex. (more than one of these descriptions may apply.) - 7

Which fraction is equal to 32/5? 10/5 17/5 30/5 32/5

If angle AVB has measure of 70 degrees and line VM is its angle bisector, what is the measure of angle AVM?

Identify the property in this equation: (7th Grade Math) 3 + [7 + (-4) ] = (3 + 7) + ( - 4)

6[5y - (3y-1) ]>4 (3y-7)

Eight hundred registered voters were asked whether they would vote yes or no on a certain measure. If 38% of those polled said yes, what percent of the voters said no? 38% 52% 62% 68%

2. Jamie is the starting pitcher for his baseball team. The coach recorded the number of pitches he threw in one game. Each pitch is either a ball, strike or hit. (a) The coach recorded that 54 pitches, or 60%, were strikes.

Evaluate. 2 (3) + 4⋅2-7 A. 1 B. 5 C. 9 D. 36