What number should be added to the expression x2 + 4x to change it into a perfect square trinomial?

A: 1

B: 2

C:4

D:8

How to solve 8s - (8-6s) = 20

Kay Sadia sold merchandise for $15,200 subject to a 7% sales tax. The entry in the sales journal will include a credit to Sales for

Two factors have an estimated product of 10,000. One is a single digit. What two factors can they be. Explain your thinking

Mike rented a truck for one day. There was a base fee of $17.99, and there was an additional charge of 83 cents for each Mike driven. Mike had to pay $140 when he returned the truck. For how many miles did he drive the truck?

How do you write 140 in roman numeral

At the mall Greg purchased three CDs which cost $10.68 each if Greg has $79 in his wallet before the purchase how much money is left in his wallet

Order them from greatest to least. 1 lb = 16 oz 1 oz ≈ 28.3 g 800 g, 1.6 lb, 30 oz

When four times the number is added to 7 times the result is 33. What is the number?

A tablet computer costs $189.69 including tax. It is marked up 30%. What is the final price of the tablet computer after it is marked up? A. $56.91 B. $132.78 C. $219.69 D. $246.60

Jeff found 3 times as many seashells as his sister. Jeff found 39 seashells. How many seashells did his sister find? Write an equation to represent the situation. Then solve the equation to answer the problem.