If the circumference of a circle is 78.5 what is the radius

Two systems of equations are shown below: System A: 6x+y=2 -x-y=-3 System B: 2x-3y=-10 -x-y=-3 Which of the following statements is correct about the two system equations?

What is the greatest common factor of 3a^2+30a

Antoine went on vacation to las vegas. his room cost 115.62 each night. his flight there cost $45.70 and his flight. was32.49. he averaged $15.00 per day on food. on the first dat antoine won$75.00 and on the last day he lost $25.

In the united states the speed limit signs are in Miles per hour. Unfortunately, your speedometer only reads in km/hour. How many fast are you allowed to go if the speed says 70 mph (round to the nearest hundredth) ?

Round 25.84 to the nearest tenth.

True or false? You can rely soley upon deductive to prove that your conclusion is correct

First day I read 1/4 of a novel, second day I read 1/2 of the remaining pages. On the third day I read the remaining 108pages. How many pages are in the novel.

55% of 140 percent of a number

Trevor and Michelle's restaurant bill comes to 35.50 they are planning to tip the waiter 20% how much money should they leave for a tip

What is the unit rate for 501.9 mi in 21 h? Enter your answer, as a decimal, in the box