Which of the following is a proportion?

1. 9/12=8/10

2. 3/4=9/12

3. 6/8=8/12

4. 12/18=9/16

3 more than than twice as many ringtones as mary

Were do i put the parentheses 32/10-8/2-3

The hypotenuse of a right triangle is 15 cm long. One of the triangles legs is two times the length of the other leg. Find the lengths of the three sides of the triangle.

one leg of a right triangle measures 12 inches and its hypotenuse measures 15 inches. what is the length of the other leg

How many strings of eight english letters are there a. That contain no vowels, if letters can be repeated? b. That contain no vowels, if letters cannot be repeated? c. That start with a vowel, if letters can be repeated? d.

1.) What is the solution to the system of equations below? y = 2x + 8 3 (-2x + y) = 19

Alba travels between the two mile markers shown and then finds her average speed in miles per hour. Select the three equations that represent this situation.

I am stuck on this problem and I do not know what to do

How to i do 7/16: (31/2:1/2)

An amount of $3800 is borrowed for 5years at 5.25%