Help please, i need the answer for a quiz that’s due in a few minutes and i’m stuck.

21 units²

Step-by-step explanation:

If you graph it, the length is 3 and the width is 7.

I hope this helps!

pls ❤ and mark brainliest pls!

21

Step-by-step explanation:

answer: answer: d) v= 1/6 bh  

step-by-step explanation:

since according to the given question,   a pyramid is placed inside a prism.

step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.