Ellen's teacher wants her to draw a triangle. she starts by drawing a line 10 centimeters long and two angles, 40° and 70°. what will the third angle measure?
a) 40°
b) 50°
c) 60°
d) 70°
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Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

What is the least common multiple of 8, 12, 7

The equations 2x-5y = -5 11x-5y = 15 9x+ 5y = 5 and 14x+ 5y = -5 are shown on the graph below. which system of equations has a solution of approximately (-0.6. 0.8)?