How many calories of energy will 20 grams of carbohydrates provide if 1 gram provides 4 calories?

In a regular deck of cards, (52 cards) what is the probability of picking a 2 of hearts?

There are 1650 students at central High estimate the number of students who drive to school.

Tyler baked 702 cookies. he sold them in boxes of 18. after selling all the boxes of cookies for the same amount each, he earned 136.50$. what was the cost of 1 box of cookies?

Solve the equation 5/x^2-x-20-1 / (x+4) = 1 / (x-5)

Fifteen is six more than two times a number

It coasts $86 to ride the train. Ms. Reilly took her 6th grade class on the train to the museum. There were 18 students from Ms. Reilly's class that went to the museum. How much did Ms. Reilly's class spend on the class and herself for the train?

What is the effect of g (x) = (x+8) ^3-2?

Compare the ruler you made to an inch ruler. Describe a how they are alike and how they are different

Solve the system of equations by elimination. x-4y=-31 -7x+6y=41

Between them, Terry and Shelley have 50 cassettes. If Shelley has more than two thirds as many cassettes as Terry, at least how many cassettes does Shelley have? At most how many does Terry have?