Irena sells ice creams. One day she sells 80 ice creams. The next day she sells 108 ice creams. Work out the percentage increase in the number of ice creams she sells.

If 19 more than 2 times a number is 23, what is the number?

Write (8a^-6) in simplest form.

What is the third term in the binomial expansion of (3x + y) 4? 54x²y3 18x²y3 18x2y6 o 544²6

Identify the type of of function represented by the equation y=2x^2

Tracy took a quiz containing 12 items. If she answered 5/6 of the items correctly how many items did Tracy answer correctly?

1/2 cup of milk per 2 cups of flour. Find the unit rate.

Line L has an undefined slope. Line M is perpendicular to line L. Which of the following could be the equation of line M? A) x = y B) y = 7 C) x = - 3 D) xy = 4

The number of accidents per week at a hazardous intersection varies with mean of 2.2 accidents and a standard deviation 1.4. This distribution takes on only whole number values, so it is certainly not normal.

Colton has math and reading homework tonight. Colton can solve each math problem in 3 minutes and he can read each page in 1.5 minutes. The number of pages Colton read is twice the number of math problems he solved.

Jina had 7/8 of a spool of yarn. she used 3/4 of it for her project. What fraction of the spool was used for her project