Which expression matches: 7 less than the product of 4 and 5

7- (4 + 5)
7- 4(5)
4(5) -7
(4 + 5) -7

Which transformations could have occurred to map △abc to △a"b"c"? a rotation and a reflection a translation and a dilation a reflection and a dilation a dilation and a rotation

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?