Tickets to a school play cost $1.50 for a student and $2.50 for an adult. clara sold 5 tickets for a total of $10.50. how many of these were student tickets?

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

What is the quadric regression equation that fits these data

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?