Mike went to the store and saw a tv for $124.79. He had a coupon for 25% off. After the discount, how much did Mike pay for the tv?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

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.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16