15. Which expression can go in the blank to make the equation true? -5.4 + 5.5 + __?__ = 0
A. -6.9 + 6.8
B. -6.9 + (-6.8)
C. 8.2 + (-8.2)
D. 7.4 + (-7.3)

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent