What is an expression for "the sum of (a+7) and 3a"

If (-3, y) lies on the graph of y = 3^x, then y = 1/27 -1 -27

Find the unit rate 24/3

0=x2+4x-5 using zero product property

Find the x and y intercepts of f (x) = x^3+2x^2-9x-18

Suppose i uncharacteristically give you a multiple-choice test with 10 questions, each having 5 possible answers. how many possible ways could you fill out this test assuming you are required to give exactly one answer to every question?

Isaac has a piece of rope that is 5 yards long. into how many 1/2 yard pieces of rope can isaac cut the rope

What do Properties mean?

Our success rate, depending on the year, is between 35 and 40 percent, according to the website, in 2015,234 raptors were taken in based on this data, about how many raptor rescues were successful that year

The sum of a number and twice its reciprocal is 27/5. Find the number.

Airbus is a major manufacturer of aircraft in Europe. Each of their A330 planes costs around 40 million dollars and Airbus' revenue (money coming in) can be modeled as a function of the number of aircraft it sells.