HELP ASAP! Will name brainliest! Solve the system of equations by graphing.
9x2 + 2y2 = 176
8x2 − 2y2 = 96
(±8, ±8)
(±2, ±2)
(±6, ±6)
(±4, ±4)

Jo has 5 sweaters. He needs to take 3 sweaters on a vacation. In how many different ways can he choose 3 sweaters out of 5?
10
20
30
40

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

thus, the first answer choice, y = sec x, is the correct one

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363