If y varies directly as x and x=12 when y=10 find y when x=40

Each of the faces (sides) has an area 66 square millimeters. Find the total surface area of the triangular pyramid.

2. Determine the ratio of 6 feet to 4 yards in lowest terms.

What is the definition of constant rate of change?

What is the degree of x5 - 4x + 2?

For the quadratic equation x 2 = 14 - 5x, the value of b is 14 - 5 5

solve for c 2 (2c + 9) = c c = ?

Choose the correct sum of the polynomials (4x3 - 2x - 9) + (2x3 + 5x + 3).

5x-5 + (6y-4) + 4x+10=180

Does the fraction 1/2 make the equation 1/34 + 8/17 = 1/2 true?

Remember that you can multiply by the reciprocal of the divisor when you divide by a fraction. find each quotient. simplify if possible 1. 1/3:2 2. 1/7:7 3. 1/2:8 4. 1/8:2