Let the sample space represent all the values from 1 to 10. Let A = {1, 2, 8} and B = {2, 7}. What is the P (A ∪ B) ? (Express your answer as a decimal)

Solve the following system of equations. 4x+9y=-23 2x+3y=-7 With multiplication

Sara hiked 15.12 miles in 6.3 hours, if sara hiked the same number of miles each hour, how many miles did she hike each hour?

How to slove 3/5 (2.4)

Which is an algebraic expression for the word phrase 8 less than the product of 12 and a

braden biked 10 8/9 miles on monday. On Tuesday, he biked 3/4 as far as Monday. How many total miles did he bike over the two days

Can a TI-84 Plus simplify radicals?

Which math expression represents the phrase? 9 times the sum of a number and 7 a. 9 · n+7 b. 9 · (n+7) c. 9 · (n - 7) d. 9 · (n · 7)

Two triangles have the same heights. One triangle has a base length that is twice the base length of the other triangle. Are the base lengths and the areas of the two triangles proportional?

I need "3 dimensional figures that have a volume of 12, and a volume of 80. I need the volume used to figure out the total volume

Item 2 A box contains 20 yellow marbles and 12 marbles to red marbles? Yellow marbles and 12 red marbles. What is the ratio of yellow A. 3:5 B. 3:8 C. 5:3 D. 5:8