Answer:

Hence, ption B is true.
Step-by-step explanation:
Given the expression

solving the expression

as


so the expression becomes

Group like terms

Add similar elements

Therefore, we conclude that:

Hence, option B is true.
Answer:
40
Step-by-step explanation:
step 1: (-4)^2=16
step2: 12X2=24
step3: 16+24+40
Ps: when you do a math that involves both addition and multiplication,
we should do multiplication and then addition
Answer:
Step-by-step explanation:
3/4
Answer:
20 cyclists
Step-by-step explanation:
In 2007 only two bikes are there which mean only 20 cyclists participated and that is the least amount out of all years
Area of triangle = (1/2)*b*h = (1/2)*7*10
= 7*5 = 35 squared cm