Last week, maria drove 231 miles. this week, she drove k miles. using k, write an expression for the total mumber of miles she drove in two weeks?

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

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

In a class of 77, there are 44 students who play soccer. if the teacher chooses 33 students, what is the probability that none of the three of them play soccer?