Here is a rectangle that has been partitioned into four smaller rectangles. For each expression, choose a sub-rectangle whose
area, in square units, matches the expression.
1. 3 x (0.6)
2. (0.4) x (0.6)
4. 3 x 2

Please help me

Complete the steps to find 4.830 ÷ 5

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

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.