What percent of 21 is 7?

Line a is represented by the equation y=-2x+3. How do these equations compare to line a? Parallel to line a Perpendicular to line a Neither parallel nor perpendicular to line a y=2x-1 y=-2x+5 y=1/2x+7

Kim is reading a book with 380 pages. she read 20 pages each day until she reached part 2 of the book. part 2 of the book is 160 pages long. she uses the equation 380-20d=160380-20d=160 to represent the number of days, d, it took her to read part 1.

Which of the following is equivalent to log [125] 25? (A) 1.076 (B) 3/2 (C) 2/3 (D) 2/5

A construction crew is lengthening a road. The road started with a length of 53 miles, and the crew is adding 3 miles to the road each day.

What is the measure of arc BD?

8-0.3k=8 (Simplify your answer)

A regular convex polygon has 14 sides. What is the sum of the measures of the interior angles?

2 gallons of juice shared among 9 people

Solve for y - 11y-8+3y=24

Doughnuts at one shop cost £1.40 each. Doughnuts at a second shop cost 15% more. What is the difference in the cost of doughnuts at the two shops?