Gorge spent d dollars at the game store he paid the cashier 30 dollars. He received $8.75 in change. Write an equation and solve to find how much Gorge spent.

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

How to solve a simultaneous equation involved with fractions?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?