2x^2+8y=121.5 if x^2-8y^2=121.5 what is x?

What is the value of 67-3 to the second power 9+4 to the third power

11. If a = 0.3 and b = 0.9, then ab2 = ? A. 0.0729 B. 0.09 C. 0.243 D. 0.27 E. 0.81

What is the total measure of an average man brain and heart

4. The call letters for all radio stations in the United States start with either a W (east of the Mississippi River) or a K (west of the Mississippi River) followed by three other letters that can be repeated.

What is the constant of variation for the following: 5y=10x?

What is 2/3 in decimal form

If you have 30 students in your class and you want to know how many groups of 5 people you could make. Would this be considered a permutation or a combination?

Composite Figure: 2 cones. Cone 1: height: 5cm radius: 3cm Cone 2 : height: 8cm radius: 3cm. Exact volume in terms of pi

The side of a square measures 3mn2. What is the area of the square if m = 4 and n = - 2?

Isthere 100 inches in 8 foot