A family is trying to pick from different shades of paint for their living room. they have narrowed it down to 5 different blues and 7 different greens. The family decides to just randomly select a color from these.
What is the probability they will pick a shade of blue? Round to nearest percent.

a). 42%

b). 58%

c). 71%

Correct answerappreciation,5 stars.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Fast! find the length of cu. the triangles are similar. show your work.

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?