Tom bought 7 books. He has space only for 3 books in his bookshelf. In how many ways can he arrange the 3 books?

Find the value of this expression if x = 5. x² + 2 x + 4

What is 869 times 38

The temperature, t, in Burrtown starts at 25°F at midnight, when h = 0. For the next few hours, the temperature drops 3 degrees every hour. Which equation represents the temperature, t, at hour h?

A line passes through (-1,-6) and (7,2). Find the slope-intercept form of the equation of the line. Then fill in the value of the slope, m, and the value of the y-intercept, b, below.

Find each sine, cosine, or tangent. Round to four decimals places, if necessary

Kiara has $20 to spend. She wants to buy a book for $12 and spend the remaining money on name tags for he luggage. Each name tag cost $2.

What is the percent of 60 is 15

Which of the following can be modeled with an exponential function? Select all that apply. A. Height over time that a football is thrown across the field. B. The cost to attend Universal Studios increases by 1% each year. C.

The area of a circle is 225 pie square inches. Find the area of the sector whose central angle is 45°.

53 - 9y = 1 -7.2 + 2y = - 5