When 28 is decreased by twice a number, the result is 18. Find the number

Trinh has $14.44 in her school lunch account. She spends $7.75 on lunches and deposits $6.50. What is her new balance? A) $ 28.69 B) $13.81 C) $13.19 D) $0.19

X=y 1.25x = 1.25y no soulation exactly 1 soulation infintely many soulations

From among 8 students how many committees consisting of 3 students can be selected? explanation

Alhondro wants to determine the average shoe size of all of male students in his school

The width of a computer monitor is 1.25 times its height. Find the height of the computer monitor when the height is x and the width is 15 in.

a plants height is 1.6 times it age. write an equation for the situation. Tell what each variable you use to represents

The human body generates about 400 BTUs of body heat per hour while active. If an office that is 18 ft * 38 ft * 12 ft has 12 workers, how many BTUs per cubic foot do they produce in 5 hours? (to the nearest tenth) A) 0.2 BTUs/ft3 B) 0.

At an elementary school, the fourth-grade class is planning a field trip to the science center. The roster shows 113 students who will attend the event. School-district rules specify that there must be one adult chaperone for every 10 students.

6. Write the following proportion using colons. 7 is to 21 as 3 is to 9. A. 7:21 = 3:9 B. 7:3 = 21:9 C. 21:7 = 3:9 D. 7:21 = 9:3

How to graph - 4x+6y=12