Examine the function cos (x) on what interval is the derivative positive?

I'm not sure how to do solving and graphing inequalities

If cake is 2 3/4 dollars per pound and you have 6 dollars, how many pounds of cake can you buy

If 3sinA=2, find the value of (cotA-1)

23. Write two fractions, both not positive, whose product is 5/8

Which is bigger 0.3 75% or 4/5

Solve the equation z=2x+3 for x

Paul says that a lower unit rate is better value only if you can use all the items purchased to get the lower unit rate. Do you agree? Explain

A digital scale measures weight to the nearest 0.2 pound. Which measurement shows an appropriate level of precision for the scale? A. 130.4 pounds B. 124.75 pounds C. 125 pounds D. 120 pounds

Owens kitten weighs 4 ounces more this month than it did last month write in integer

Anisha score 30 marks in a test getting 4 marks for each right answer and losing 1 marks for each wrong answer. it no of attempted right questions by her is X and that attempt in correctly is y.