Answer:
12x-13
Step-by-step explanation:
multiply the perantheses first, -8+12x-5, the distributive property states we can only add same exponents (x^2 can add into 3x^2 but not 3x) so we add -8 and -5 to get 12x-13
Answer:
5
Step-by-step explanation:
Speed is distance traveled per unit time
<span>R equals D / T </span>
<span>R equals (171 mi) / (3 hr) </span>
<span>R equals 57 mi/h (mph)
or
</span><span>171/3 gives MPH</span>
Answer:
ratio
Step-by-step explanation:
you
got
ratioed
To find the mean add up all the numbers given then divide your answer by how many numbers there are.
for ex: 1,2,3,4,5
1+2+3+4+5= 15
15 divided by 5 = 3
so the mean is 3