If roger can type at a rate of 65 words per minute ,how long to the nearest minute will ot take him to type a 559 word letter at this rate

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Ineed the solution to this problem and the steps.