The temperature at 8: 00 a. m. was −6 degrees f and the temperature at 3: 00 p. m. was 11 degrees f. the equation −6 + c = 11 can be used to find c, the change in temperature. use the inverse property of addition to solve the equation. show your work.

2men and 7 boys can do a piece of working 4 days. it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?