Brandon is competing in a long jump competition. He jumped 16.4 feet on his first jump. In his next two jumps, he jumped 17.76 feet and 19.05 feet. What is the total distance for all three jumps?

How do you solving the solution of each system using elimination?

Evaluate cos2θ for cosθ = square root of 3/2

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.