Using a graphical method, solve the simultaneous equations y=2x-6 and y=-x

Radio signals travel at a rate of 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of the Earth if the satellite is orbiting at a height of 7.5 x 10^6 meters?

Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. An olympian ran the 100-meter dash in 9.6 seconds. How much faster was Sarah the cheetah's speed, to the nearest tenth of a meter per second? 0.9 meters per second 1.

65+40+x divided by 83

Find the center and the radius (x+6) 2 + (y-5) 2 = 8

One eighth of Tony's books are mystery books. He has 3mystery books. How many books does tony have in all?

Suppose x and y vary together such that y = 2 x + 11. Suppose x varies from x = 2 to x = 8.5. a. Over this interval, how much does x change by? b. Over this interval, how much does y change by?

The probability of event A is 0.2 and the probability of event B is 0.6 which event is most likely to occur

Two cities are 15.7 cm apart on a map that has a scale of 1 cm : 14 km. These cities are 211.4 km apart.

find the total cost of a $55.00 dinner bill including 7% tax and 18% tip. how much change will you get back from $100.00

The number 4.124 has two 4s. Why does each 4 have a different value?