Mr. rice needs to replace the 166.25 ft is edging on the flower beds in his backyard. the edging is sold in lengths of 19 ft each. how many lengths of edging will mr. rice need to purchase?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25