If 100 enevelopes cost 70 cents how much would 250 cost

The temperature of a chemical solution is originally 21^/circ/text{C}21 ∘ C. A chemist heats the solution at a constant rate, and the temperature of the solution is 75^/circ/text{C}75 ∘ C after 1212 minutes of heating.

Which equation is represented by the phrase "two times a number equals six"? 2 + x = 6 x = 2 + 6 2x = 6 x = 6

Solve the equation 5t-3=2+3t

A chocolate bar measures 30 mm wide, 70 mm long, and mm high. Will's Wrapping Company is making a wrapper to cover the chocolate bar. Use the correct net and determine how much paper will be needed to make the wrapper.

Math problem 0.08 - 0.59x =.1619

If the dimensions of a triangle are cut in half, then the new perimeter is one fourth of the original perimeter. TrueFalse

Which of the following represents the zeros of f (x) = x3 - 5x2 - 3x + 15? a. 5, √3, - √3 b.-5, - √3, - √3 c. 5, - √3, - √3 d-5, √3, √3

Quien me puede decir cuel es la respuesta de esto 6 (t+5) = - 36

Factor the greatest common factor. -30k^6 + 9k^5 - 21k^4

Order these numbers from least to greatest. -0.6 , 3.85 , -3450 , 14