The difference of a number and 7 is 21. (1 point) 21– 7 = n; n =14 n + 7 = 21; n = 14 n – 7 = 21; n =28 21 – n = 7; n = 14

Consider circle o, where and . m∠bpd °. °.

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression