A phone company offers two monthly plans. Plan A costs $30 plus and additional $0.09 for each minutes of calls. Plan B costs $16 plus an additional $0.11 for each minutes of calls. For what amount of calling do the two plans cost the same? What is the cost when the two plans cost the same?

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?

Find the simplified product: 2sqrt 5x^3(-3sqrt10x^2) a: -30sqrt2x^5 b: -30x^2sqrt2x c: -12x^2sqrt5x d: -6sqrt50x^5