Are lines a and b parallel, and if so, why?

best explained and correct answer gets brainliest!

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)