Monica wants to save at least $399 to buy a new laptop computer. she has $284 saved already. which options below will allow her to have enough money to buy he computer? select all that apply

a) she earns $580 and spends $422
b) she speeds $22 and earns $93
c) she is given $205 and spends $57
d) she spends $82 and earns $94
e) she earns $56 and is given $59
f) she is given $38 and earns $42

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?

Mikael, hema and 5 friends will run an event. they will wear either a red shirt or red baseball hat during the event. they want to spend exactley $40. shirts cost $8 each and caps cost $4 each.