John is 4 years older than his sister Mary. Together, their ages add up to 30. How old is Mary?

The graph of g (x) is the graph of f (x) = x+6 reflected across the x-axis. Which equation describes g? g (x) = - x-6 g (x) = - x+6 g (x) = x-6 g (x) = - 6x-6

Add using a number line. -25+45 Drag and drop the word SUM to the correct value on the number line.

What is 33 percent of one million dollars.

In 2012 the population of a city 6.16 was find the exponential growth function estimate the population

The factor tree for 1,764 is shown. What is the simplest form of? 32 (72) 22 (32) (72) 21 42

Find the width of a rectangular prism if the volume is 77,680 cm^3, the length is 43 cm, and the height is 94.4 cm. Show work.

Find the least number which when divided by 25 45 60 leaves a remainder to 20

Drag the numbers to order them from least to greatest - 4 1/2,-1/2,1/4,2/3 or 2 1/3

When finding the surface area of a composite figure, why is it often necessary to subtract sides common to each individual shape? Complete the explanation.

To use the two sample t procedure to perform a significance test on the difference of two means, we assume: a) The populations' standard deviation are known. b) The samples from each population are independent. c) The sample sizes are large.