Let x be the number of heads when a coin is tossed 5 times. what is the expected value

Bonnie knits 3 centimeters of scarf each night. After 12 nights of knitting, how many centimeters of scarf will Bonnie have knit in total?

What geometric shape is the moon?

What is the value of d in d/9.7 = 20.78

Let A = (-2, 6), B = (1, 0), and C = (5, 2). Prove that △ABC is a right-angled triangle. Let u = AB, v = BC, and w = AC. We must show that u · v, u · w, or v · w is zero in order to show that one of these pairs is orthogonal.

If a triangle had a height of 12 inches and a base of 5 inches, what's its area A) 90 sq inches B) 45 sq inches C) 30 sq inches D) 60 sq inches

On the total amount of money spent by a school district for 1980 through 2000, the percent, p, spent on athletics can be modeled by this equation; P=2.49 (1.07) ^t Where t stands for time, and t=0 in 1980.

7000 is 10 Times as much as what number

Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher. How old is Christopher now?

Brain made a tasty burger. The diameter was 5 cm. What is the radius of the circle?

Right? Wrong! If I subtract 7 from one side of the equation, what must I do to the other side of the equation