If f (x) = 2x+3, what is f (-2)

How do I figure out 1.5=10n

Find 4 1/5 · 7 2/3. A. 28 2/15 B. 28 3/10 C. 32 1/5 D. 32 3/5

How do you write a function as an equation? For example the input is 5 and the output is 10 the rule is + 5 if 5 was x and 10 was y would the equation be x = x+5 y = x+5 is this correct? can you also provide an example?

The population of a country has been increasing for several decades. In 1990, the population was about 242 million people. In 2014, the population was about 289 million people.

Twice a number plus three times a second number is negative one. The first number plus four times the second number is two.

Completely factor the expression - 18p-9

Write word problem that represent each way you can use a remainder in a division problem

the temperature outside dropped 13 f in 6 hours. the final temperature was - 4 f. what was the starting temperature?

Translate the sentence into an equation. Six less than the quotient of a number and 5 is 10

Julia studies math for 3 and one third hours during the 4 days before her last test. What was the average amount of time she studied each day?