Solve using elimination: x = y and 3x + 7y = 10

A cylinder and a cone have the same diameter: 8 inches. The height of the cylinder is 9 inches. The height of the cone is 18 inches. Use π = 3.14.

Find the equation for a parabola if the vertex is 6,9

The function c (x) = 3x - 4 determines how many cupcakes need to be purchased for a birthday party, where x is the number of kids at the party. The party planner uses d (c (x)) to find the amount of money to bring for the cupcake purchase.

What is 21,321 rounded to the nearest 100

The johnson family can fly from washington d. c to london for $0.18 per mile per person. the distance is 3,663 miles. how much will the trip cost for 4 people to go

What is the product of - 2 2/5 and - 3 5/6

Solve each system by substitution. (-3x + y = 20) (-5x - 7y = - 10)

What is 183 divided by 67?

Mary mixes white paint and blue paint in the ratio 2:3 she makes a total of 20 litres of paint how much more blue paint does she need to add to the mix ture so that the ratio of white paint to blue paint becomes 1:7

Suppose you want to test the effectiveness of a certain drug for treating a disease-that is, you want to see if using the drug is better the standard treatment.