NASA launches a rocket at t=0 seconds. Its height, in meters above sea level, as a function of time is given by h(t) = -4.9t+255. What would be the effect of h(t) - k, if
k= 45?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

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?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re