In 1995, the average life expectancy in the United States was 75.8 years. The average life expectancy in 2015 was 78.8 years. What is the percentage increase in life expectancy in the last 20 years?

a) 3.5

b) 4

C) 4.5

d) 5

Mike sells used cars. He makes $250 per week plus $200 for each car he sells. Because Of Mike's cost of living. He needs to earn at least $1250 per week to pay off all of his extravagant bills.

Which of the following is another way to express the equation 8 - (-d) = 43? A. 8-d=43 B.-d+8=43 C.-8+d=43 D. 8+d=43

Complete the two column proof. given 2=4 m<2=110 prove m<3=70

If they work together. Mark, Naomi, and Yvonne can sort some Library books in 11 hours. Working alone, it would take Yvonne 5 hours and Mark 6 hours to do the same job. How long to the nearest quarter hour) would it take Naomi, if she worked alone?

Evin evaluated the product of 5x12 as 60 by finding 5x10 and adding it to 5x2. This is an example of what property?

Suppose that 13 inches of wire costs 65 cents. At the same rate, how much (in cents) will 27 inches of wire costs.

In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?

To pass a math test students must answer at least 0.6 of the questions. Donald's score is 5/8, Karen's score is 0.88, Gino's score is 3/5, and Sierra's score is 4/5. How many of the students passed the test?

Yolanda's class has 40 members. The teacher will not give a test unless at least 80% of the class is in attendance. How many class members must be present in order for the teacher to give a test?

If lemonade costs 1.5 cents per ounce, what is the cost per pint?