Which of the following equations has only one solution?

x^2 - 1 = 0

x^2 + x = 0

x^2 + 4x + 4 = 0

2. Lani opened a savings account with $450. She saves $225 per month. Which equation shows how much money Lani has in her account after m months? Select Yes or No. 6. V 450 m А у = Yes No B y = 450m + 225m C y = 450 + 225m O Yes Yes No No

A pizza with 2 toppings from Maria's Pizza Place costs $11.00. A pizza with 5 toppings from Maria's Pizza Place costs $14.75. Each topping at Maria's Pizza Place costs the same amount. 1. What is the price per topping at Maria's Pizza Place? 2.

The population of medfield is 7000 Capitol City's population is 8/25 of Medfields what is capitol city's population

Bubba purchased 10 pairs of socks from the sports shop. Each pair of socks cost 4.99 He had a coupon for 20% off his entire purchase but he had to pay 7% sales tax what was the total cost

Carol payed 271$ to rent a car for 4 days. What was the rate, r, per day to rent the car

Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and x represent the number of gifts. Write an equation to represent the proportional relationship between the total cost and the number of gifts he bought?

If a man ran 12mph for 30 minutes, how far did he run?

The value of an investment is expected to grow by 5% per year. How long will it take for the value to double? Question 1 options: about 4 years about 7 years about 14 years about 23 years

Katie said,"Negative numbers are integers."What was her error?

Which best describes how to solve the equation below? 64x = 37 A. multiply both sides by 64 B. divide both sides by 64 C. divide both sides by 37 D. multiply both sides by 37 is it A?