A train traveling at 30 miles per hour reaches a tunnel which is 9 times as long as the train. If the train takes 2 minutes to clear the tunnel, how long is the train?

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