Simplify: (100+4z) 20

Samantha travels 140 miles n 2 hours what is Samanthas speed in miles per hour

Solve each system by graphing 2x+y=4 / - 3x+9y=-6

How do i round 8.61 to the nearest tenth?

The number of grams of a radioactive isotope present after t years is 1,500 (1/2) ^t. What does 1,500 represent if t>0 A. The original number of grams of the radioactive isotope present B.

What is not equivalent to 36/72

The height of an ostrich is 20 inches more than 4 times the height of a kiwi. Write and solve an equation to find the height of the kiwi. Show that your answer is reasonable.

A:b=2:3 b:c=4:7 a:c = x what is x?

What single decimal multiplier would you use to increase by 7% followed by a 4% decrease?

Chase and his brother like to play basketball a month ago they decided to keep track of how many games they each one as of today chase has won 18 out of 30 games against his brother how many games would chase have to win in a row in order to have a

What is the solution to the linear equation? 6k + 10.5 = 3k + 12