18.7+3.99

Explained and set up.

A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 35 miles per gallon of gas.

There tiger barbs in a 15 gallon aquarium and giant dani is in a 30 gallon aquarium. what numerical expression to represent the greatest total number of fish that could be in both aquariums.

The Johnson's earned $50,000 the year before they retired. They plan on living on 80% of this income during retirement. If their Social Security check is $1,200 per month. how much additional income per year do they need?

The first number of three consecutive even integers equals the sum of the second and third. Find the three numbers. If x represents the smallest integer, then which of the following equations could be used to solve the problem?

Measurement is the use of numbers according to a standard. True or False

Which answer is equal to (√2) ^5? A. 2 ^2/5 B. 2^10 C. 2 ^1/10 D. 2 ^2/5

What's 132,654 rounded to the nearest thousand

There are 50 campers at day camp and 10 counselors. Write the ratio of campers to counselor as a fraction. Explain how to use equivalent fractions to write a related rate and unit rate. what does the unit rate tell you

A submarine changes its position by - 7 meters every second. What is the change in the submarine's position after 300 seconds? Enter the your answer in the box. m

Ryan accidentally ordered 240% as many eggs as his restaurant needs. What fraction of that number of eggs his restaurant did Ryan order?