An equation that is equal to - 3 (x + 2) = -7

a rectangle has a width that is 7 more than its length and an area of 30. Find the length and width of the rectangle

Find the angle between the pair of vector to the nearest tenth of degree (4,5), (-4,-1)

Henry is buying school supplies for the start of th school year. For every 3 pencils he buys 2 pens. If Henry buys 21 pencils. how many total pencils and pens did Henry purchase

A flower bed has the shape of a rectangle 9 years a long and 3 yards wide. What is the area in square feet?

Mei can type 6 words a minute. She has to write a letter to the mayor for a school project and she has already written the first 20 words. Mei has to type for 18 minutes to finish her letter.

Suppose $x$,$y$, and $z$ form a geometric sequence. if you know that $x+y+z=18$ and $x^2+y^2+z^2=612$, find the value of $y$.

A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same worker produced 138 units while working 36 hours.

What is a balanced equation using numbers 9,7,2,1,6?

Part of the population of 10,800 hawks at a national park are building a nest. A random sample of 72 hawks shows that 12 of them are building a nest. Estimate the number of hawks building a nest in the population.

Olivia has $220 to buy presents for her 3 sisters and 2 nephews. She wants to spend $10 more on each sister than she spends on each nephew.