Joe is using the function E = 1.89x + 2.89y to minimize his expenses when selling markers and erasers. He has the following constraints. 2x + y > 10

x + 2y > 8

x > 0

y > 0

What is the minimum value of E?
A.
$9.45

B.
$28.90

C.
$13.34

D.
$15.12

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Im literally having a mental breakdown