What is

31 billion in scientific notation

What is the solution for the equation 4x - 10 = 2x?

A restaurent sold 350 less hotdogs than hamburgers. Altogether, the restaurant sold 700 hotdogs and hamburgers. How many of each did they sell?

A four-sided figure is made from 24 unit square. using whole number, what is the smallest possible perimeter? using whole numbers, what are the side lengths of the rectangle with the smallest perimeter?

What number is 225 percent of 140?

Whole numbers greater than 25 but less than 33

Mala needs 3/4 cup of flour for a recipe but she only has a 1/4 measuring cup. How many 1/4 cups of flour does she need to make 3/4 cups? Explain your reasoning.

What is 2+7+6-8/3*5+8-4

8. If3:8=c:56, the value of c will be

what is the probability that a data value and a normal distribution is between a z score - 1.32 and a z score of 0.94

in a scale drawing of an apartment 1 centimeter represents 2 3/4 feet. in length of the kitchen is 4 1/2 cm on the scale drawing what is the actual length of the drawing