an architect notices that the scale on a blueprint he is using has been torn off. however, he sees that a 21.6-foot wall that has been built is 6 inches long on the blueprint. what is the scale for this blueprint?

a. 1 in. : 3.6 ft.
b. 1 in. : 6.3 ft.
c. 1 in. : 36 ft.
d. 1 in. : 63 ft.

Find the solutions for a triangle with a =16, c =12, and b = 63º

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2