My brother needs help on this question plz help

A. 29 + 16

Step-by-step explanation:

The tables means 4 tens, and 5 ones, which is 45.

29 + 16 = 45.

So it is A.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²