Perform the operation (1-2i) - (7+4i)

Josh has a job mowing lawns. He charges $25 for each yard. He needs at least $400 for the new game system that he wants. Write and solve an inequality to find out how many yards he must mow to make at least $400.

The number of employees at a company decreased by 60 over five years. What is the average yearly change in employees?

You walk 1/3 miles to a clothing store. Then you walk another 1/4 miles to a shoe store. How many miles have you walked in all? answer as a fraction in simplest form.

What does 56*90? what does 56 times 90 equal what does 5600 equal

Fill in the missing number that completes the sequence 30, 28, 26, 24,?

In a sale, Richard bought a TV for £300. The original price of the TV was £380. What was the percentage discount on the TV?

What is the simplest form of √3025 16 55 5^2 (11^2) 5^2 + (11^2)

Rhonda filled her aquarium with water. Then, she took out 3 gallons to make room for the gravel and fish. She added 2 quarts back in. Then, she added 4 fish. Each fish was in a separate bag with 1 pint of water.

Which pair of ratios can from a true proportion A. 7/4,21/12 B. 6/3, 5/6 C. 7/10, 6/7 D. 3/5, 7/12

Brett fills up his car at a gas station selling gas for $2.10 per gallon. It takes 6 1/2 gallons of gas to fill up the car. How much does Brett spend on gas?