Luor skywaller spent 6 hours completing 21 math problems last week. how long might he expect to spend completing 28 math problems this week?

For #1-5, write your one-solution answers as an ordered pair. For example, if x=2 and y=3, you would write your answer as (2, 3). Your answers could also be no solution or infinitely many solutions.

Solve each trigonometric equation such that 0 ≤ xx ≤ 2?. Give answers in exact form. a. √2cos (x) + 1 = 0 b. tan (x) - √3 = 0 c. sin2 (x) - 1 = 0

Is 3 yards bigger than 21 feet is 21 feet bigger than 3 yards

How can you describe the relationship between two place value

If the variance of a probability was computed to be 3.6 grams, what is the standard deviation

What's the algebraic expression of "15 less than a number squared"?

Nathaniel can't remember exactly how many cupcakes Haley and Virgil made for the Halloween party but he did remember that all together Haley and Virgil and he had made 156 cupcakes he also remembered that he and Haley and made 110 and he and Virgil

3 out of 4 students surveyed in a school said they will vote for nuncio for class president predict how many of the 340 students in the school would vote for nuncio

Is 10 a solution of 2y+7 (y-3) = 60

Stephanie has pennies, nickels, dimes, and quarters in her piggy bank. The total value of the coins is 0.01 (n + 10) + 0.05n + 0.1 (n - 10) + 0.25 (n - 5), where n is the number of nickels. What must 0.1 (n - 10) represent? A.