Guys please help.. I have 2 questions, please help with both

1. Find the Time in years if Principal, p= 6500, Rate (p. a)= 7% and Simple Interest, SI = Rs . 1365

2. If 80% of the students of a class of 40 students like Mathematics, then the number of students who do not like it is

Please answer soon

Let w=23 . what is the value of w + 45 ?

State one method by which you can recognize a perfect square trinomial.

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.