The stem and leaf plot shows the percentage of questions on a Spanish test that were answered correctly by each student in a class. Spanish Test. Stem. Leaf. Which statement is true?

Nine more than four times a number is the same as one less than twice the number. find the number?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Could someone me with this question i’ve been stuck on it for 20 minutes