Find the length of CD.
A. About 7.2 units
B. 52 units
C. 10 units
D. About 3.2 units​

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of