Simplify the following expression: (-1) (-7) (4)

12

28

-12

-28

What is 1/3 in a percent

Answer add 9 to 5 times b?

Olivia is making scarves each scarf will have 5 rextangles and 2/5 of the rectangles will be purple. How many purple rectangles does she need for 3 carves

Sam has $0.85 in nickels (0.05) and dimes (0.10) she has 2 more nickels than dimes. How many nickels and dimes does she have?

Liza wants to have more than $750 in her saving account before she will leave for college. Right now she has $300, and she is going to babysit to earn $12.00 an hour. How many hours will Liza need to babysit before she leaves for college.

Work out the volume of a cubeboid 10cm by 3cm by 2cm

There are 166 South American animals in a zoo. That is 55 more than half the number of African animals in the zoo. Enter an equation you could use to find n, the number of African animals in the zoo.

The measure of an angles suppliment is 53° more than twice that of its compliment. find the angle.

5. A total of 65.0 kilojoules of heat are absorbed as 58,3 g of lead is heated from 12.0°C to 42.0°C. Prom this data, what is the specific heat of lead in J/g"C?

Solve the system by substitution: {y=x^2+4x+1 y=x+1