Q11 Solve and compare. -2-(-2) \( (-2)+(-2) \). Q12 Find the sum by suitable rearrangement. \( 18+12+1982+488 \). Q13 Q14 Find the least number which when divided by 45,15 and 18 leaves remainder 5 in each case.

b.) \( \frac{8 a+4 b}{b c+2 a c} \)

\( f(x)=3+x \) and \( g(x)=\frac{x}{x+4} \), find the domain of (a) \( f g(x) \)

1) Factorea cada número y completa los espacios con la descomposición correspondiente a) \( 280=2^{3} \cdot 7^{1} \cdot 5^{1} \) b) \( 165= \) c) \( 720= \) d) \( 390= \) e) \( 297= \)

For every 1 red crayon in a box there are 4 pink ones. Make a ratio table to determine how many pink crayons are in the box if there are 5 red ones in the box. (2 points)

What is the best verb to use? have been went going