Ashlyn had some Barbie dolls. Joslyn has 78 barbies. Rounded to the nearest ten, together they have 140 Barbie dolls. How many do Ashlyn has?

Exponential decay occurs if the base of an exponential function is a negative integer. true or false

What is a factor of 6x3+6

A cylinder has a base diameter of 16 inches and a height of 14 inches. What is its volume in cubic inches, to the nearest tenths place?

If x+y=2 and x-y = 1 then

A rectangle is 42 square feet. what percent of the area of the rectangle is a square with side lengths of 6 feet?

What is the common denominator of eight and 12

It took Lou 2 1/2 gallons of paint to paint one fence. How many gallons of paint will it take Lou to paint 6 fences that are the same size? Express your answer in simplest form.

The ratio of the number of boys to the number of girls in a school is 4:5 there are 95 girls in the school work out the total number of students in the school

What is the domain and range of f (x) = -3/4√x-1+4

What is 4.2X-1.4Y=2.1-2X