3y+2=5 linear equations

Similarity: Question 3 Which rectangle is similar to a rectangle with length 40 cm and a width 50 cm? Select one: -a rectangle with dimensions 50 cm and 60 cm -any rectangle with perimeter 180 cm -a rectangle with dimensions 2 cm and 2.

What is the sum of (2x - 5y) and (x + y) ?

A marble is drawn at random from the bag. The bag contains 3 green, 4 yellow, 5 blue, and 8 pink marbles. What is the probability that the marble drawn is a green or blue?

What is the value of a in the equation 3r=10+5

A pilot can see the runway she is about to land on directly ahead. When looking at each end of the runway the angles of depression are 45 degrees and 42 degrees. If the airplane is 1500 ft off the ground, how long is the runway?

Meg has 26 toy ponies. She gets 6 more for her birthday. She displays half of them on a shelf and puts the rest in a box. How many ponies does she display?

A triangle has side lengths of 34in., 20in., and 47in. is the triangle acute, obtuse, or right?

The range of the correlation coefficient is between - 1 and + 1. True False

A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of a blue marble, replacing it, and then picking a black marble? 8/75 4/45 1/9

How do I write an in expression in equivalent factored form? 3x + 15?