5x+9y+z=20

2x-y-z=-21

5x+2y+2z=-21

In the next 4 days, Joshua wants to walk at least 12 miles. He will walk the same number of miles each day. Let y represent the minimum number of miles Joshua needs to walk each day to achieve his goal.

Mia and Kai want to rent a canoe at the boathouse on the river. It costs $6.95 to rent a canoe for 1 hour.

Salina's age is one-quarter the age of her aunt. If a represents her aunt's age, which expression represents Salina's age?

Write the expression in complete factored form 3c (p-6) + 4 (p-6)

Bonnie has just received an order for a square frame that has 102 tiles along each side. how many tikes will she need to make this frame? Explain how you got your awnswer

Mary mixes white paint and blue paint in the ratio 2:3 she makes a total of 20 litres of paint how much more blue paint does she need to add to the mix ture so that the ratio of white paint to blue paint becomes 1:7

Suppose you want to test the effectiveness of a certain drug for treating a disease-that is, you want to see if using the drug is better the standard treatment.

Does (0, - 1) make the equation. y = 5x - 1.? Yes or No

State a conclusion that seems reasonable. Donald is older than Jeanette; Donald is older than Ethel. Donald is older than Allen. Conclusion:

Find the composite area of the shaded region