If a = 4 and y = 7, evaluate the following expression:
20 + 3(3y – 42)

Answer this question, only if you know the answer. 30 points and brainliest!

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet