Simplify 3 (4 x + 6) - 9 x.

a. - 15 x + 18

b. 3 x + 18

c. 3 x + 6

d. 12 x + 18 - 9 x

16) If a parachutist jumped from an airplane flying at an altitude of 10,000 feet and fell at an average free fall speed of 158 feet per second for 17 seconds, what impact will it have on the altitude of the parachutist?

Simplify the expression: 7d+12-4d-3

A worker gets $9/hr for a regular work day and $13.50/hr for additional hours. If he was paid $114.75 for an 11hr work day, how long is a regular work day?

If you add natalie's age and frankie's age, the result is 44. if you add frankie's age to 3 times natalie's age, the result is 70 write and solve a systemof equations using elimination to find their ages.

If 2x=8 what does "x" equal?

Quesuon Z: 2 PES A rectangular flower bed that is 5 ft long and 4 feet wide is surrounded by a square lawn that is 12 ft long. What is the area covered by the lawn? 0153 ft? 0 124 ft2 164 ft?

Megan has 30 brownies and 42 cupcakes to package. She wants to put the same numbers of brownies and cupcakes in each box. What is the greatest number of boxes she can make? How many cupcakes and how many brownies will each box contain?

Making h the subject of the formula t=gh:10

The volume of construction work was increased by 60% but the productivity of labor increased by only 25%. By what percent must the number of workers be increased?

Simplify the expression (9 + 21) (9 - 21).