Using the formula r=d/t where d is the distance in miles l, r is the rate, and t is the time in hours, at which rate must you travel to cover 213.5 miles in 2.5 hours?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.