math
If 5 sweaters cost $39.40, how much would 8 sweaters cost? The cost is $__.
math
Write the ratio as a fraction in lowest terms. compare in inches. 3ft to 31 inches. The ratio is__.
math
The sum of the measures of the angles of any triangle is 180 degrees. In triangle abc, angles a and b have the same measure, while the measure of angle c is 78 degrees larger than each of a and b. What are the measures of the three angles? angle a is __degrees.
math
If planet I is 31.8 million miles from the sun than planet II, then planet III is 25.6 million miles father from the sun than planet I. When the total of the distances for these three planets from the sun is 200.2 million miles, how far away from the sun is planet II? Planet I...
math
An electrician cuts a 26ft piece of wire into two pieces. One piece is 4ft longer than the other. How long are the pieces? What is the length of the shorter piece?__ft
Comunication Skills
Cultural history.
Math
Evaulate each expression: (-1/8)^1/3 Would you make it 3 square root of -1/8? I don't know how to go from there. (256/81)^1/4 Same thing, would it become 4 square root (256/81)?
Math
Factor out the common factor: −3x^4 y^2 + 18xy^3 + 9xy^4
Math
Factor the trinomial: 2x^2 +11x - 63
Algebra
The first two please
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