If a + (-b) = 7 and a=9 what is b?

A tree casts a shadow 12 meters long, while a bush nearby casts a shadow 3.5 meters long. If the tree is 3.2 meters tall, how tall is the bush?

Evaluate p-3 for: a) p = 20 b) p = 10 c) p = 5

Solve, using the substitution method. 2x + 3y = 3 x + 2y = 1 (1, 4) (0, - 2) (3, - 1) (7, - 5/2)

Cual es factor de 8

Pippa is holding the end of her kite string 1.4 m above the ground. The kite string rises at 63° angle of elevation. Pippa has let out all 75 m of the string. To the nearest tenth of a meter, how high above the ground is the kite? A) 34.0 m B) 35.

There are 14 performers who will present their acts this weekend at a comedy club. One of the performers insists on being the last stand-up comic of the evening, and another performer wants to be the first.

4,000 at 3% interest for 4 years

What is the product of 5/10*10/3

How do you graph Y equals negative 3X

3. Solve the system using substitution. y=8-x 7=2-y A. (5,13) B. (13,-5) C. (3,5) D. (21,-13)