Let b = 7. what is the value of the expression 4b2+b−5 ? enter your answer in the box.

answer: 198   (just took the test and passed)

step-by-step explanation: order of   operation

4b^2+b-5     b=7

4(7^2)+7-5

4(49)+7-5

196+7-5

203-5

198

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.