Leah missed 4 questions on a test but answered 80% correct. How many questions on the test?

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: