What expression is equivalent to d² + 2d - 48?
A.) (d-6)(d - 8)
B.) (d-6)(d + 8)
C.) (d+6)(d-8)
D.) (d+6)(d+8)

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out