Suppose an airplane descends 4 feet ever second prior to landing. Write and simplify an expression to represent the change in the altitude of the airplane after 10 seconds.

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'