Simplify root 25/16 in surds

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

What expression is equivalent to 1/2(2+3x-6)

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.