Amultiple choice test has 6 questions how many more keys are possible if each question has five choices instead of four choices

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!