Five times the sum of a number and seven is thirty. find the number.

Does anyone know any good revision websites

Alan hikes 4.5 miles in 3 hours. Determine whether quantities (distance and time) vary directly or inversely and find the constant of variation.

Show the correct way to write the numerical expression of 3*14+9

4x^2+36/4x*1/5 * simplify

Complete the comparison: 2+7>? a. 9+4 b. 7+3 c. 10-2 d. 8+2

6x + 3y = 9 2x + 3y = 1 Solve the system of equations. A) x = 2, y = - 1 B) x = - 1, y = 2 C) x = - 1/2, y = 3 D) x = 3, y = - 1/2

For each problem, find an example of an equation that would work with the following criteria 1. The two x-intercepts are 2 and 10. The y-intercept is - 12 2. The Axis of Symmetry is x = 4. The y-intercept is 28 3. The Axis of Symmetry is x = - 3.

What is 10M divided by 15K

If two events are independent, then: A. the sum of their probabilities must be equal to one. B. they must be mutually exclusive. C. their intersection must be zero. D. None of the above.

100,000 less then560,000+313.00