Evaluate f (9) given f (x) = -x+7

How am I supposed to set up a problem like this: y = x-8 y = 3x

Rachel simplified the expression 4 + 2 * [16 : (8 - 4) ] using the steps below.

Given 21+3y=6. What is the y intercept?

Approximate: log, 5

A high school has 1,600 students. In a random sample of 50 students, 18 own a cat. Predict the number of students at the high school who own a cat.

Determine the volume of a cube whith a side lenght of 4cm

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?

If the decimal is 0.08 what is 10 times as much

If you traveled 50 m in 25 s what is your distance traveled and average speed?

Karla has a younge sister and an older brother. Her younger sister is 3 years more than a half of karla's age. Her older brother is 7 year lees than twice karla's age. If the sum of all 3 of their is 38, how old is kayla.