Angle a and angle b are complementary angles. the measure of ∠a is 42°.
which equation represents this situation with x representing the measure of ∠b ?
a. 90+x=42
b. 90+42=x
c. 42+x=90
d. 42−x=90

Describe how making an ‘and’ compound sentence effects your solution set

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters