There are 72 girls and 90 boys who attend a school. What is the ratio of the number of girls
to the total number of students who attend the
school?
A. 4.5
B. 4.9
C 5:9
D. 9:1

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Simply 8x squared + 5(7x squared- x) - 2x =

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3