84 is 60% of what number? Can you explain on how you got your answer.

What value of x will make this equation true 2x-6=3x+1-x-7

Which statement must be true if segment EG is an altitude for the triangle DEF

3. Solve z2 - 15z + 56 = 0 using the zero product property. A. z = 8, 7 B. z = - 5, - 2 C. z = 8, - 4 D. z = - 4, 7

2.087 greater or less than 2.15

What's the three methods ratio

What is the volume of a sphere if its r=21m?

Joe and his parents are going on vacation. On the first day they travel 250 miles. On the second day they travel 300 miles. The total miles they must travel is 1000.

Find x when y=3 in the literal equation 3x+6y=24

The sequence below is arithmetic {1,8,27,64}

Angles α and b are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of b if b < α. sin (x 2 + 2x) = cos (2x + 3x 2)