Professor Juwana spent 3/5 of an hour correcting 6 papers. At this rate, how many hours will it take him to correct 30 papers?

Use ratio language to describe the relationship between 5 girls: 8 boys

2a=-by+c solve for b

The temperature dropped 2 degrees every hour for 6 hours what was the total number of degrees the temperature changes in he 6 hours

Mount Rushmore is a sculpture that was carved using a model with a scale of 1 in : 1 ft. If the model of George Washington's face was 5 ft, how tall was the face on the actual sculpture? a. 5 ft c. 60 ft b. 40 ft d. 72 ft

Find the angle between each of the following pairs of vectors A⃗ = Axi^+Ayj^ and B⃗ = Bxi^+Byj^ ... Ax1 = - 3.20, Ay1 = 4.40; Bx1 = 2.70, By1 = - 3.10. i know this is dot prodoct but the calculater just keep saying error

Jill sold half of her comic books and then bought sixteen more. she now has 36. with how many did she begin? (two step equation)

A blue die and green die are rolled find the probability that the sum is 12

Is pi6 rational or irrational

What is 9:901 in long division

Lane's arm span is 61 inches. If his height is 1⁄4 foot longer than his arm span, how tall is he? feet and inches