What number must be added to the expression below to complete the square? X^2+5x

A. 25/4

B. 25

C. 5

D. 5/2

Sam is building a model if an antique car the scale of his model to the actual car is 1:10 his model is 18 1/2 how long is the actual car

9 m 11 m 6 m 4 m Find the area of this figure.

What value of x satisfies the equation 6.4-2x-6.63x=610.5?

A coordinate plane. The sum of two numbers is 10. The larger number is 4 times the smaller number. The system of equations used to represent this scenario is y = - x + 10 and y = 4x. What is the larger number? 4 6 8 10

Researchers were interested in knowing if preterm infants with late metabolic acidosis and preterm infants without the condition differ with respect to urine levels of a certain chemical.

How many solutions does 2 (x-3) = 10x-6-8x

A bag contains 3 green marbles, 6 blue marble, 5 red marbles, 4 black marbles and 2 yellow marbles. A marble is selected from the bad and replaced 100 times what's the reasonable prediction for the number of times green or black marble will be

The lengths of the legs of a right angle triangle 12 cm and 35 cm. What is the length of the hypotenuse?

What percent increase is it to go from $1.25 to $1.50?

Their is nine kids on a bus and 10 got off