65 +5.2(hour) which is the y-intercept

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?