Harold bought 3 pounds of red apples and 4.2 pounds of green apples ftom blue star grocery, where both kinds of apples are $1.75 a pound. how much did harold spend on apples?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)