Which would be the next step in solving for matrix a? a+(3 -4 -11 24)=(16 -5 0 -9) which of these is the answer a=(16 -5 0 -9)+(3 -4 -11 24) a=(16 -5 0 -9)÷(3 -4 -11 24) a=(10 -5 0 - -4 -11 24) a=(1- -5 0 -9)+(3 -4 -1 24)

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.