Astudent received a 75% on an exam. if there were 20 questions on the exam, which ratio would show the number of questions answered correctly to the total number of questions? a. 5: 20 b. 15: 20 c. 20: 15 d. 20: 5

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2