What is the HCF of 14 and 21?

What's the cot (180°) + (cos (180°) / sin (180°))

The event staff for a local concert hall has 73 tickets to sell. If they sell all of the tickets at the same price, they will have $438. Which of the following people have enough money to buy a ticket

Identify the variation as direct, inverse, joint or combined. F=4/r

Lorenzo purchased 12 cookies. He gave of the cookies to Celine and gave of the remaining cookies to Petra. How many cookies did Petra receive?

4. Corrupt professor Z has a class of 50 students. He needs to give exactly 10 A's. However five students already have a special deal (they are professor Z's nephews and nieces) and will get A's for sure. How many ways can the 10 A's be distributed?

Round 0.002391 to 2 significant figures

Mrs. Adenan sold 63 bracelets at one craft fair and 36 bracelets at a second craft fair total number of bracelets she sold?

If i have - 52 balls and my mom had to give me 200 balls how much do i have?

What do you call a polynomial with two terms?

Diagram the statement three fourths of 40 little engines could climb the hill