Acookie factory uses 1/10 of a bag of flour in each batch of cookies the factory used 1/2 of a bag of flour yesterday how many batches did they make

Abcd is a parallelogram find the valuse of x

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?