Given ƒ (x) = 3x + 9, find x when ƒ (x) = 21.

A) 3

B) 4

C) 7

D) 10

If Colorado Springs, Colorado, has 1.4 times more days of sunshine than Boston, Massachusetts, how many days of sunshine does each city have if there are a total of 475 days of sunshine between the two in a year?

Harriet has $616 to buy desks for a new office. She needs 15 desks in all, and decides to buy 2 types of desks. Type A desks costs $42 and type B desks cost $40. How many desks of each type can Harriet buy?

Which combination of integers can be used to generate the Pythagorean triple (7,24,25) ? A. x=1, y=3 B. x=4, y=3 C. x=3, y=2 D. x=2, y=2

Write the digit in the ten thousands place 913256

What's the product of 3 2⁄3 and 14 2⁄5?

Ending time is 10:08 am. Elapsed time 30 min

Paige spends 1 hour on her homework. She spends equal amounts of time on all subjects. If Paige spends 1/2 hour on Spanish, how many subjects does she study? Answers: 3 subjects 1 subject 4 subjects 2 subjects

What is solution for the following system of equations, 2x+8y=4 and x=-3y+5 1) X=14 Y=-3 2) X=2 Y=-3 3) X=-3 Y=-3 4) X=12 Y=5

Some amount of billiard balls were arranged in an equilateral triangle. And 4 balls were extra. When the same set of billiard balls were arranged into triangle in which each side has one more ball than in the first arrangement there were 3 balls

A true-false question is to be posed to a husband and wife team. Both the husband and the wife will give the correct answer with probability 0.8.