Abicycle normally sells for $239.99 it is now on sale for 25% off as an employee byron is able to save an extra 10% off the sale price how much to the nearest dollar with baron need to pay for the bicycle

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?