What does and i on a calculator mean?

At the airport, d airplanes flew away, and b were still there. How many more airplanes stayed at the airport than flew away?

Jordan wants to make 1.25 using dollars half dollars and quarters how many different ways can she make 1.25

Show how to solve 14.7•11.361

What is the square root of 6474657 * 5

Maddie buys stock that is worth $22 per share. On the first day, the value of the stock goes up 20%. On the second day, the value decreases by 10%. What is the value of each share at the end of the second day?

Determinati numarul b astfel incat : (4x8) ^15 : 4^5:2^6=2^b si 3^4x3^5x3^17=3^b

1/x=6/x+15, 20-x/x=6/4, and 4/12=x+2/2x+13

If a sample of 26 students is taken from a population of 135 students, the population variance, o?, is the variance of how many students' heights? O A. Neither 26 nor 135 B. Both 26 and 135 O c. 135 O D. 26

Robert collected 330 aluminum cans. If 100 aluminum cans weigh 4 pounds, and the recycling center is paying 25 cents a pound, how much will Robert be paid for his 330 cans?

A single box of thumb tacks weighed 3 1/2 ounces. If a teacher had 4 1/7 boxes, how much would their combined weight be