You plug 11 in where x is.
r(11) = (11 + 1)(11 - 3)
= (12)(8)
= 96
Change the first to a decimal
15 2/5 = 15 4/10 = 15.4 miles
15.4 miles
------------
2.1 hours
7.33333333(repeating) miles/hour
7 1/3 miles per hour
Sorry to ruin ur chance of getting help bud but we can’t see the answer choices
Answer: -10.6
Step-by-step explanation: -3|z| + 2(a + y) =
= -3|-4.2| + 2(-2 + 3)
= -3(4.2) + 2(1)
= -12.6 + 2
= -10.6
Idk if this was right but i was kinda confused by the question.