book Maths Puzzle Numerical Ability

simplify each expression

9ab+8ab-7ab

how do i do this

Read Solution (Total 1)

book Other Question

Sorry, typed the e-mail wrong.
Question: Determine the equation of each line. Write the answer in standard form using only intergers as the coefficient.
#36 The line through (-2,0) with slope -3/4.

I tried. y=mx+b
y=-3/4x+-2/0
How much does a fish weigh if its tail weighs 4 kilograms (kg), its head weighs as much as its tail and half its body, and its body weighs as much as its head and tail together?