Point X : (7,­ 3) is transformed in each of the following situations. Find the coordinates of the image X′ under:

A translation of scale factor k = 7 centered at the origin.

A rotation of 90o centered at the origin.

A reflection over the y-axis.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?