Two skateboarders are trying to build a ramp with an angle of 41°and a height of 3 ft. Which expression gives the length of the ramp?
A) 3 tan(41°)
B) 3 sin(41°)
C) 3 cos(41°)
D)
3
cos(41°)
E)
3
sin(41°)

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Find the area of a parallelogram with base 15 yards and height 21 2/3

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?