Translate into an algebraic expression:

One third of the difference of a number and 3 equals five times the number.

3x + 9i2 – 5x = 17

What is x?

The population of a bird species is modeled by the following equation:

,

where represents the number of years from the present. How many years will it take the population to reach 130 birds (rounded to the nearest tenth)?

Three consecutive positive numbers have the sum of 15. What is the product of these numbers?

Give the lines y = 0.5x+3 and y=3x-2. What is the y value of the point of intersection?

If the expression x4 + 3cx – 2 is equal to 5 when x = **–**1, what is the value of c?

Solve for :

Round to the nearest hundredth.

Which of the following is a root of the function ?

A certain number squared, plus four times itself is equal to zero.

Which of the following could be that number?

If the expression x4 + 3cx – 2 is equal to 5 when x = **–**1, what is the value of c?