Which is an example of the associative property?

A.

3 • (x + 5) = 3 • x + 15

B.

x + 5 = 5 + x

C.

(x + 3) + 7 = x + (3 + 7)

D.

If x = a, and a = 7, then x = 7.

Which unit is the best to use for an estimate of the mass of a peach?

If f (x) = x3 + 7x2 - x and g (x) = x2 - 3, what is the degree of g (f (x)) ? 2 3 6 8

A certain species of fish require 1.5 1.5 cubic feet of water per fish to maintain a healthy environment. find the maximum number of fish you could put in a tank measuring 6 6 feet by 3 3 feet by 4 4 feet.

Which of the following properties of equality allows 7 (x - 1) to equal 7x - 7?

Max installed a motion detector on the shed that illuminates a semicircle with a radius of 12 ft. What is the area of the yard that will be lit by the motion detector light? Leave your answer in terms of π.

70,000,000write the number in the form standard

A data set that consists of 33 numbers has a minimum value of 19 and a maximum value of 71. Determine the class boundaries using the 2 Superscript k Baseline greater than or equals n rule if the data are: a) discrete b) continuous

A scientist has a 120 mg sample of an unstable isotope. The amount of the substance remaining in the sample decreases at a rate of 16% each day. At the end of t days, there is less than 30 mg of the substance remaining.

A rectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling for $3 a foot, while the remaining two sides will use standard fencing selling for $2 a foot.

How to recipacte fractions