Is (8,9) a solution of the equation x+y=3

If you have 70 red blocks and 84 green blocks, what is the greatest number of identical block stacks that can be made without any blocks leftover? A) 6 B) 8 C) 12 D) 14

Simplify (x + 2) (x2 - 4x - 9). x3 - 2x2 - 17x - 18 x3 - 6x2 - x - 18 x3 - 4x2 - 3x - 18 x3 - 10x2 - 9x - 18

How do you round 3,915 o the nearest hundred?

Solve the system of equations. 5x + y = 9 3x + 2y = 4 (-2, 5) (1, 4) (2, - 1) (4, - 4)

at the movies theater, the clayton family bought 4 fountain drinks and 3 bags of popcorn and paid 22.50. The Hanks family bought 5 fountain drinks and 2 bags of popcorn and paid 23.75. How much is an fountain drink

Nico and Tony have decided to pay for their own phone plans. Nico had to pay $100 to sign up for Verizon and is going to be charge an additional $30 each month.

How do the symptoms of depression compare to those of attempted suicide?

A certain forest covers an area of 3100 km^2. suppose that each year this area decreases by 8.25%. what will the area be after 15 years? round to the nearest square kilometer.

Krista has a quiz today. There are 4 questions with 4 options. Each question only has one correct answer. She wants to guess and get 3 out of the 4 questions right. What is the probability of her getting 3 right

A positive number is 7 less than another positive number. 4 times the greater numver added to 1/3 of the lesser positive number is 80. Find the two positive numbers