Lori bought a shirt and a hat at half-off sale. If she spent a total of $21 on the two items, what was the original price of the hat?

How humidity is related to evaporation?

If Sinx = 3/4, find x (3sf)

Determine whether the following system of equations has one solution, no solution, or an infinite number of solutions. Explain your reasoning. 2x - 4y = 10 7x - 9y = 12

What is the square root of 9/49 as a fraction?

In centimeters, what is the unknown length in this right triangle? 67cm 60 cm

Jim has 4 New York quarters, 3 Pennsylvania quarters, and 3 Virginia quarters in his pocket. What is the probability that he will get a Pennsylvania quarter followed by a Virginia quarter when he pulls two quarters out of his pocket?

Delia worked 45 minutes on her oil painting. She took a break at 10:35 a. m. At what time did Delia start working on her painting

Express 962 in standard form

A plane travels 395000 meters in 9000 seconds, what is the speed?

What is the importance of never giving up