-WILL GIVE 15 POINTS- - HELP NEEDED ASAP -
The measure of an angle is 4y°. Find the measure of its supplement.
A) (180 + 4y)°
B) (180 - 4y)°
C) (90 + 4y)°
D) (90 - 4y)°

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.