I'll pick a brainliest person
a metalsmith is mixing two molten metals, each containing different percentages of silver. the table shows the amount of each molten metal used.

which two expressions are both equivalent to t, the total number of grams in the mixture?

a. (15)(0.75) and 0.7(15 – x) + 0.9x
b. (15)(0.75) and 0.7(15 – x)(0.9x)
c. 15 + 0.75 and 0.7(15 – x) + 0.9x
d. 15 + 0.75 and 0.7(15 – x)(0.9x)

it's both, now can you answer my most recent question?

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (