Francesca spent 45 minutes on the internet yesterday. if this is 3/4 of the time she spent on the computer, how long did she spend on the computer but not on the internet

7x+8y=-18, 4x-9y=-3 solve the system of equations

Which fraction below is equivalent to 10/12?

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.