Find the vertex of y = x^2 - 2x - 15

Simplify each expression 7 (3x)

3+8+7+6+5+88+456-8734_65+9999

Assuming the average composition of air weighs approximately 0.0807 lbs per cubic foot, what is the weight of air in a giant balloon with a diameter of 6 feet?

A recipe that serves 8 calls for 3/4 cup of rice. How many cups are needed to serve 4?

Mr. Lloyd wants to build a dollhouse for a starter this is a proportional to their house he might have to live in this house and 12 ft by 16 ft what will the dimensions of living room if every foot of the actual house is equal to 1/2 inch doll house

47 is 0.5% of what number

R=2s-6t+5 / 2, solve for s

Kayla won 37 bouncy ball playing hoops at her schools game night then she gave two to each of her friends she only has 7 left how many friends does she have

sue has 5 ropes of 5350 mm each. If she ties them together to make one long rope and each kont takes up 15 cm, how long will the rope be

What's the 8th term in the 4, 12, 36, 108