How do I know if an angle is supplementary

If a2 = 18 and a4 = 8, find two possible common ratios. Then, write two sequences lhaving five terms each.

The width of a rectangle is half its length. What if the perimeter of a rectangle with width 26 feet? A. 39 feet B. 52. feet C. 78 feet D. 156 feet

Monica won 7 of the 16 science competitions she entered. To the nearest thousandth, find her winning average.

Radio signals travel at a rate of 3x10^8 meter per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 9.6*10^6 meters? (Hint: Time divide by speed.

What is the decimal fraction for 1/5

This is Core Focus: Working With Scientific Notation What is 7.8 * 105 m/h in kilometers per day? A. 3.24 * 1010 km/day B. 3.24 * 108 km/day C. 1.872 * 106 km/day D. 1.872 * 104 km/day

What is the quotient x^2-16/2x+8

Round the number 296,386,482 to the nearest million

While cruising at a steady speed of 400 km/h, you identify a storm cloud straight ahead 45 km away. To avoid turbulence, you start climbing at an angle of elevation of 15°.

Maya has 15 stickers. she places them on a page in rows of 5. there are 2 flowers and 3 hearts in each row. how many hearts are on the page?