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let b = 7. what is the value of the expression 4 b 2 +b−5 ? enter your answer in the box.

198

Step-by-step explanation:

b = 7, we are to find the value of + b - 5

since , b is known to be 7 , = 7 x 7 = 49

Substituting into the expression , we have

4 ( 49) + 7 - 5

= 196 + 7 - 5

= 198

Therefore , the value of the expression + b - 5 , when b = 7 is 198

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24