How many solutions exist for the system of equations given below?

3a + 4b = 20

12a = 80 - 16b

A. One Solution

B. Two Solutions

C. Infinitely many solutions

D. No solutions

What number does x have to be? - 3 (52) = -3 (x) + -3 (2)

What percent of 62 is 58

Mr. Grant needs 30 pieces of felt he can buy them in packs of 10 or as single pieces what are the different ways Mr Grant can buy felt

A starfish's top speed is approximately 161 centimeters per minute. What is this speed to the nearest centimeter per second?

Brad buys a jacket that is on sale for 30% off the original price. The expression p - 0.3p can be used to find the sale price of the jacket, where p is the original price of the jacket.

10% as a fraction in simplest form

On a 15-hour trip Rob drove 35%of the time and Mark drove the remainder of the time how many hours did Mark drive?

True or false a digit in one place represents one tenth of what the same digit represents two places to the left. explain why

These are lines that intersect to form right angles. Example: The formed by x-axis and the y-axis, a line with a slope of 3 and another line with a slope of - 1/3, the sides of a rectangle, and the sides of a square form this kind of line or segment.

A mixture of dimes and quarters has a total value of $10.20. There are 57 coins in all. How many type of each coin is present?