Iam homeschooled and am in 7th grade can someone get answers to the pattern and rules unit test 7th grade

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28