Find|A|(the determinant ofA).(b) FindA−1.(c) FindA−1AATA.(d) Find all the solutions ofA~x=~0.(e) Which of the following operations are defined and which are not defined? Explainbrieflywhy or why not, using math notation and / orat most 15 words. Note: you doNOT need to find the results of these operations.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z