How many terms are in this expression?
5 -x2 + 4y - 3x + 4z

−x2−3x+4y+4z+5

Step-by-step explanation:  terms are (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted.

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40