51/4 + 8 7/8 is the problem. i think i've already gotten the answer, but i just want to make sure that it's right. i'm trying to get these practice questions done so i can pass my ged test.

Of four points are collinear, they are also coplanar

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?