Given the figure, if ∠ABC is 20° and C is the center of the circle, what is the measure of the central angle ∠ACB?

Can an irrational number be a decimal? If so, give an example.

Round to the nearest ten for 2,420

Jessica is baking a cake. the recipe says that she has to mix 96 grams of sugar into flour. jessica knows that 1 cup of this particular sugar has a mass of 128 grams. she added 1 half of a cup of sugar to the flour.

Find the measure of an exterior angle of a regular polygon with 36 sides

The ratio of boys to girls is 2:7 if there are 250 more girls than boys how many boys are there?

Discuss the continuity of the cosine, cosecant, secant and cotangent functions, ... ?

The students in a college statistics class want to estimate what proportion of the students in their college own an ipod. they gather an srs of 500 students. they find that 187 of the students in the sample own an ipod.

Solve proporation h/9=2/3

Divide. -24/7 enter the answer as a mixed number, in simplified form, in the box

What is the value of y 3y-1+4y+7