The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers?

Which of these triangle pairs can be mapped to each other using both a translation and a rotation about C?

A bag contains purple marbles and white marbles, 112 in total. The number of purple marbles is 8 less than 5 times the number of white marbles. How many purple marbles are there?

Which parent function is f (x) = x2?

The graph of the function f (x) = (x + 2) (x + 6) is shown below. Which statement about the function is true? The function is positive for all real values of x where x > - 4. The function is negative for all real values of x where - 6 < x < - 2.

There are 1,505 pieces of fruit for sale at a farmers market. 39% of them are apples 28% are oranges 13% are honeydew melons and the rest are watermelons. How many watermelons are there

The square root of a 100 is it a whole number or natural number

How do u expand 500,000

How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.