Determine whether y varies directly with x. if so, find the constant of variation k.
3y = -7 - 18
a. yes; 3
b. yes; -7
c. no
d. yes; 7/3
. maybe some explanation i don't get it.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000