C. Solve for the following problems. 1. Divide 72 into 2 part having the ratio of 5:7
2. Fine the mean proportional between 4 and 64.

How to translate it in a mathematical expression? the product of two prime numbers?

1. f(x) = x² - 2x-1 transform into the form f(x)=a(x-h)squared+k.​

Machine a can produce 1,000 sausage in 4 hours.machine b can produce 1,000 sausage in 8 hours working together at their reprentative rates,how long will it take the machines to produce 1,000 sausage? ​