Given the functions a (x) = 3x - 12 and b (x) = x - 9, solve a[b (x) ].

A. a[b (x) ] = 3x2 - 21

B. a[b (x) ] = 3x2 - 39

C. a[b (x) ] = 3x - 21

D. a[b (x) ] = 3x - 39

Given the area of a triangle is 40 cm2, if its altitude is 8 cm, its base is 15 cm. True False

Dave has an 80 question test and he gets 68 write write the question he got correct as a fraction percent and decimal

If a = b - 3, then (b - a) 3 = ? F. - 81 G. - 27 H. - 9 J. 9 K. 27

If a 3-pound pizza is sliced in half and each half is sliced into thirds, what is the weight, in ounces, of each of the slices? (1 pound = 16 ounces) A) 4 B) 6 C) 8 D) 16

dakota earned money mowing laws this summer. she put 80% of the money in savings she then spends 25% of the remaining money on music downloads. if she has 99$ left to spend on other things, how much money did she earn this summer?

What is the greatest common factor for 72 and 18

Veronica has been saving dines and quarters. she has 94 coins in all and the total value is $19.30. How many dimes and quarters does she have?

To answer each question, use the function t (r) = dr , where t is the time in hours, d is the distance in miles, and r is the rate in miles per hour. a.

The sum of the digits of a two digit number is 8. if the ten digit is 4 more than the units digit what is the number

How many decimeters is there in 5 yards