How can you tell if a proportion is a true proportion

There are two consecutive even integers. Eight times the second yields 40 more than five times the first. What is the second number?

A model rocket is launched vertically from a platform 64 feet above the ground. The height the rocket reaches during the flight is modeled by the equation s (t) =

Write three equations whose solution is x=3.5

The graph of F (x), shown below, has the same shape as the graph of G (x) = x^4, but it is shifted to the right 2 units. What is its equation?

1. Simplify the expression sqrt (4x^2/3y) Show your work 2. Simplify the expression (3-4i) (1+5i) - (2-i) Show your work 3. The formula c=sqrt (a^2 + b^2) represents the length of the hypotenuse of a right triangle with side lengths a and b.

The rectangular bar is connected to the support bracket with a 10-mm-diameter pin. The bar width is w = 70 mm and the bar thickness is 20 mm. Each side of the bracket has the same dimensions as the bar.

A miniature horse weighs 228 fewer kilograms than a Shetland pony. Use the table to find the weight of a Shetland pony. Miniature horse wights 53kg

In a box of tickets, there are 50 blue tickets and 15 red tickets. after a certain number of red tickets are added to the box, the probability of randomly choosing a red ticket is 2/3. how many red tickets were added to the box?

The perimeter of a rectangle is 68 feet. Find the dimensions of the rectangle if the ratio of the length to the width is 9:8.

What is 0.8 to the power of 2