Figure CDEF is a parallelogram. Parallelogram C D E F is shown. The length of F C is 10 r minus 20, the length of C D is 2 r + 12, and the length of D E is 6 r.

What is the value of r?

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Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Adeposit of 5500 at 6% for 3 years equals

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.