11 family members are going on a trip together. They have cars that only fit 4 people how many cars will they need to take?

How do i do this activity, is appreciated

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?