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6

∑ 3n

n=2

a. 2+3+4+5+6

b. 3+6+9+12+15

c. 6+9+12+15+18

d. 3+6+9+12+15+18

A copper wire was 240 meters long. After 60 meters was cut off, it was double the length of a steel wire. How much longer was the copper wire than the steel wire at first?

Suppose the probability of rain is 25%

Which unit is most appropriate for measuring the amount of liquid you drink in a day?

Choose the property that justifies the outcomes. 5 (3*8) = 15*8 Associative Property of Addition Additive Inverses Commutative property of Addition Multiplicative Inverses Distributive Property Associative Property of Multiplication

Solve these equations 200*10=2,000 200*100=? 200*1,000 part b 200*0.1=? 200*0.01=? 200*0.01=? 200*0.001=?

Write the ratio as a fraction in lowest terms 17 minutes to 2 hours

The expression 24 (1-x) gives the discounted price of a pair of shorts, where x is the percent of the discount written in decimal form. What does 1-x represent in the expression?

To estimate the height of a tree, a geometry student measures the shadow of the tree that is 30 feet from the base tree. They place a steak at the top of the Shadow. The student is 4 feet from the stake, and the students height is 5.

What is the cube root of 7/6?

Three of the vertices of a rectangle have coordinates (-1, - 1), (6, - 1), and (-1, 2). What are the coordinates of the fourth vertex