Nina answered 80% of 40 questions on her test correctly. How many questions did she miss?

What is the radius of a dodecagon with side lengths of 4 cm

How to write an answer to 3 significant figures

What is the qoutient of 7^-1/7^-2

What is an expression, in simplest form for the perimeter of a triangle which is 3m, 3m, and 3m

Let A, B and C be three events. Construct Venn diagrams for each of the following. Find expressions using only the sets A, B and C and the operators ⋂,⋃, and ' (complement) for the events listed below: a) only B does NOT occurs b) A and C events

Solve the equation for y. 3x + 9y = 27

What is the slope of the line with the equation: 6x + 2y = 8

In a plane, if a line is perpendicular to one of two parallel lines, is it perpendicular to one another? explain your reasoning

If two out of every seven individuals in a population carry a gene for a defective enzyme, what ratio of individuals carry the normal gene?

Factor completely x2 + 64. (x + 8) (x - 8) Prime (x + 8) (x + 8) (x - 8) (x - 8)