How many tens are in 30 ones?

Which expressions are equivalent to -6 + 3m

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

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