Write each statement as a proportion using colons. 4 is to 20 as 2 is to 10.

If a = b and c = d, then ac = bd. true false

Jonna is 4 years older than her brother. which of the following expressions shows the sum of their ages if b represents jonna's brother's age?

Given f (x) = 10x+5 and g (x) = 3x+6 then what is (f+g) (-1)) ?

Nell makes 11.78 per hour. if she works 40 hours a week and about 4 weeks per month, what is the maximum monthly rent that she can afford to pay?

Junnie walked for 2.5 hours at a speed of 3.2 miles per hour. Maurice walked for 1.8 hours at a speed of 4.1 miles per hour. (distance equals speed times time) who walked farther? how much farther did that person walk?

Joe is making a recipe that calls for 3/4 teaspoon of cinnamon. His only measuring spoon holds 1/8 teaspoon. How many times will he need to fill his measuring spoon to get enough cinnamon for the recipe?

Which of the following describes the graph of y=x^2-144? The graph has zeroes at x = - 12 and x = - 12 and it opens downward. The graph has zeroes at x = 12 and x = - 12 and it opens downward.

You deposit $700 in an account paying 7.7% simple interest. Find the future value of the investment after 2 years. (Enter a number. Round your answer to two decimal places.)

What are two expressions where the solution is 19

The sum of two numbers is 17. The difference between the larger number (x) and the smaller number (y) is 7. What is the value of the smaller number?