7x - y for x = 20 and y = 5.

How do you solve 5-x=12

Udents a news report says that 9% of middle school stare on the track team. there are 600 students in your middle school. how many students in your school would you expect to be on the track team?

Using mathematical language, explain how you know there will be one solution to the system shown. Tortoise: f = 2m + 180, Hare: f = 8m

If f (x) = x³ and g (x) = x-1, which of the following statements is true? A) (g*f) (0) = 3 B) (f*g) (0) = 1 C) (f*g) (2) = 1 D) (g*f) (2) = 6

Charles Lindbergh made the first solo airplane flight from New York to Paris. His flight covered about 3610 miles in 33.5 hours. Find the unit rate in miles per hour.

Chen is checking a division problem by doing 152x4 equal to 608 plus 2 which is 610 what problem is chen checking?

Melvin has 1/2 of a cake. He shares the cake equally with each of 2 friends and himself. Show me how u got your answer

A circular pool has a radius of 10 meters. Rounded to the nearest square meter, what is the area of the pool? A) 31 m2 B) 60 m2 C) 260 m2 D) 314 m2

12.46 the digits in the ones place and the hundredths place

In right triangle DEF, mE = 90, DE = 8, EF = 15, and FD = 17. What is the value of tan F?