A'Zaharia spent 1 2/4 hours mowing the back yard. After taking a break, she spent 2 1/4 hours mowing the front yard. How many hours did she spend mowing the whole yard?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

When is g(x) = 0 for the function g(x) = 5.23x + 4?