PLEASE HELP IM FAILING MATH finding the composite area of a parallelogram: height: 4.4cm

base: ?

diagonal length: 8.2cm

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

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.