Winnie can walk 2 miles in 30 minutes. how many miles can she walk in 2 hours? (remember 1hr = 60 min) a. 2 b. 4 c. 6 d. 8

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Having a hard time understanding this question (see attachment).

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.