Which lines are perpendicular to 5x + 4y = 8? Choose all answers that are correct.

a. - 5x + 4y = - 5

b. 5y = - 4x - 15

c. 5y = 4x + 5

d. - 4x + 5y = 10

Copy each statement. Insert, -, x, or division symbol to make each statement true. 27 3 5 2 = 19 81 11 8 4 1 = 60

What is 2 5/6 + 1 5/7

Heather, Shen, and Aldo served a total of 57 orders Monday at the school cafeteria. Shen served 2 times as many as Aldo. Aldo served 7 more orders than Heather. How many orders did they each serve?

A trail has markers every 1/8 mile. Jody starts at the 2 1/4 mile marker, hikes to the 4 3/8 marker, and then hikes back to the 1 1/2 marker. Did Jody hike more than 4 miles? Explain

Marco deposited $350 in a savings account with a simple interest rate of 6% per year. How much interest did he earn in 3 months

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The 10-ounce jar of salsa sells for $1.95. The 24-ounce jar sells for $4.32. Which jar is the better buy? 24 ounce or 10 ounce?

Easy Buy Company gave out 7 DVD's to each of their employees as gifts. There were 32 employees. How many DVD's did the company give out?

What is 7.2 divided by 8

A student read a total of 72 books over the course of a year. Since there are 12 months in a year, how many books did the student average each month? books