Juanita is making necklaces to give as presents. she plans to put 15 beads on each necklace. beads are sold in packages of 20. what is the least number of packages she can buy to make necklaces and have no beads left over

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Crickets can jump with a vertical velocity of up to 14 ft/s. which equation models the height of such a jump, in feet, after t seconds? h(t) = –16t2 + v0t + h0 h(t) = –16t2 + v0t + 14 h(t) = –16t2 + 14t h(t) = –16t2 + 14t + 14 what is the maximum height the cricket reaches? round to the nearest thousandth. h = feet