Answer:
4x^2 + x
Step-by-step explanation:
just multiply x to each of the terms.
I think the anwser is 17,887
A because if you look t is on +3 and r is on -41/2
Answer:
<h2>
512 m²</h2>
Step-by-step explanation:
The surface area is a sum of areas of four triangles with base of <em>8 m</em> and hight of <em>12 m</em> and areas of five squares with sides of <em>8 m.</em>
<em />
<h3>
Sa = 4×¹/₂×8×12 + 5×8² = 192 + 320 = 512 m²</h3>
