Question : Write the expression. Let f represent the number of feet.
12 times the number of feet.
Question : Why should you NOT use the x?
Group of answer choices :

1. That is a symbol for lower grades.

2. It looks too close to the plus sign.

3. It looks like the variable x.

4. You CAN use it.

answer: 5

step-by-step explanation:

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

i agree because i see the other persons thinking is clear

1. a^4+8a^3+24a^2+32a+16

2.y^8+8y^7+28y^6+56y^5+70y^4+56y^3+28y^2+8y+1

3.x^6-3x^4y^2+3x^2y^4-y^6