I WILL GIVE BRAINLIEST!! If 16 c = 1 gal, then 1 and 1/4 = _ c. If 1,760 yd = 1 mi, then 880 = _ mi.
If 36 in. + 1 yd, then 2 1/3 yd = _ in.
PLEASE ANSWER! I know it's ez but my brain is still broken today.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?