Test Prep Joshua is creating supplementary angles. Angle B is 78°. Which equation can be used to help Joshua create Angle A? A A + 78 = 90 B A + 78 = 180 C 180 + 78 = A D 90 + 78 = A t​

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

What is 6/10 rounded to the nearest half

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?