Mark worked 60 hours last week. He spent 35% of his time working on the Rivers project, 45% working on the Brown project, and 20% working on the Richards project. How many hours did he work on the Brown project?

The sum of two and the quotient of a x and 5

What percentage is 29/36

Which of the s-values satisfy the following inequality? 7-S/2>3 Choose all answers that apply:

The height of the water in a tank decreased 3 inches each week due to evaporation. What is the change in the height of the water over a five week period due to evaporation

Heather has $45.71 in her savings account. She bought six packs of markers to donate to her school. If each pack of markers cost $3.99, how much money does she have in her bank account after the donation? A. $39.71 B. $35.72 C. $41.72 D. $21.77

The surface area of 10ft 7ft 10ft

Find the diameter and radius of a circle given the approximate circumference of 38 meters. (3.14 for pi) Sorry for these questions but I just don't understand them; -;

A jar contains 6 red marbles, 12 blue marbles, and 2 green marbles. if one marble is selected at random, find the probaility of select: a blue or a green marble

is - 0.28764 rational or irrational and how do you figure that out?

Whats the nearest 100 to 469019