Two times the sum of number and 5 is 20

How do you find the equivalent expression to something? Ex: 4d+6+2d

The cross section of a square pyramid taken perpendicular to the base that passes through the top vertex produces which two-dimensional shape? Note: Use all lowercase letters in your answer to receive credit.

A chef uses 4 3/4 cups of broth for 10 servings of soup. How much broth is used in one serving of soup? Let x represent the amount of broth.

If two straight lines intersect and one angle is 30 degrees what are the other three angles

Name all sets of real to which each numbers belongs 2/3?

Increasing the average speed of a car by 12mph results in a 189 mile trip taking an hour less than before. What was the original speed of the car?

What equation. Does the model below represent

Theo owns a bicycle store and wants to attract customers by promoting his Ocean Bike Tour packages. He advertises a discount of $50 off the regular price for early registration

What percent is 12 out of 40

Two thirds of what number is equal to 18 plus 60% of 40?