Two less than the product of 5 and a number equals 8

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

What is always true about a positive integer raised to a negative odd power?