Which equation could be used to solve problems involving the relationships between the angles?

A) (12 + a) + (7a + 12) = 90

B) 90 + (12 + a) = (7a + 12)

C) (12 + a) - (7a + 12) = 90

D) (7a + 12) - 90 = (12 + a)

Determine whether the geometric series is convergent or divergent. 9 + 8 + 64/9 + 512/81 + ... If it is convergent, find its sum?

What is the volume of the cylinder diameter is 5 ft and length 12 ft

Cassie is measuring the dimensions of her bedroom wall so that she will know how much paint to buy. Which of the choices shown is a reasonable measurement for a wall in her bedroom?

Solve the following: a) 4x - 3 = 2x + 7 b) 2x + 6 = 7x - 14

At the city museum, child admission is $5.80 and adult admission is $9.10. On Friday, four times as many adult tickets as child tickets were sold, for a total sales of $1223.80. How many child tickets were sold that day?

How do I prove that 0.3333 ... Is equal to 1/3 using a geometric series?

A light bulb consumes 1800 watt-hours per day. how many watt-hours does it cumsume in 4 days and 12 hours

Which expression is equivalent to (5x^3) (4x) ^3?

The graph shows that f (x) = (one-third) Superscript x is translated horizontally and vertically to get the function (one-third) Superscript x minus h. On a coordinate plane, 2 exponential functions are shown.

Maggie is painting the exposed areas of a cement figure that is being placed at the park. How many square feet will she need to cover with paint?