4b+21=-3b+21+7b
4b+21=4b+21
it means that the expression shows an identity
Answer: B 15 miles per gallon
Explanation: To find a unit we must get the bottom number to 1 so we would divide 3/3 and repeat the process to 45 so it would be 45/3 which equals to 15 we can check our work by multiplying 15*3 which is equal to 45 have a nice day (:
like sandwiches hate sandwiches total
like tacos 43 7 50
hate tacos 27 23 50
total 70 30 100
if a student likes sandwiches...there are 70 that like sandwiches....what is the probability that the student also likes tacos....of the 70 that likes sandwiches, 43 of them also likes tacos..
43/70 = 0.614 = 61.4% <==.
Answer:
1. Let's list all the sets. {8, 16, 21}{12, 17, 27}{8, 23, 31}{5, 8, 11}
2. Now is...
8+16 greater than 21?
12+17 greater than 27?
8+23 greater than 31?
5+8 greater than 11?
I'll leave that to you. smiley
Step-by-step explanation: