To make salsa, you buy 8 tomatoes that weigh t pounds each and that cost $2.20 per pound.
You also buy 2 peppers that weigh P pounds
each and that cost $3.40 per pound. Which
expression gives the total cost (in dollars) of the
items?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

The english language is part of which language family? a. alatic b. dravidan c. indo-european d. khoisan