14. if the value of b is 7, then what is the value of the expression -3b2 + 25 = ? a. 122 b. 172 c. 17 d. –122

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?