4.2 (-2.8+4.5) what is the value of the expression

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time