The sum of X & Y decreased by their product

The variable x is twice the value of the variable y and the sum of x and y is 42 solve for x and y.

The area of the regular pentagon is 6.9 cm2. A regular pentagon has an apothem with length 1.38 centimeters and an area of 6.9 centimeters squared. What is the perimeter? 2 cm 5 cm 10 cm 20 cm

How to find average of 20% 90 50% 73.5 15% 100 10% 100 average of this numbers

A ball is dropped from a height of 10 feet and returns to a height that is one-half of the height from which it fell. The ball continues to bounce half the height of the previous bounce each time.

If Jeannie invests $7,250 at a rate of 12%, compounded weekly, find the value of the investment after 10 years.

On a test Matilda answered 12 out of the first 15 correctly. If this rate continues how many of the next 25 problems will she answer correctly?

Which expression shows the value of a $10,000 investment that has lost 1.2% if it's value for five years In a row

The bear population in RI has been increasing by 8% each year. In the year 2010 there were only 20 bears spotted in RI. Based on this info, a. create a function a (t) that represents the bear pop, t years since 2010 b. determine bear pop in 2020 c.

A ladder leaning against a house makes an angle of 30° with the ground. the foot of the ladder is 7 feet from the foot of the house. how long is the ladder?

Would you rather have 40 hours a week of video game time or 40% of your week?