Answer:
Exact Form: 15
/14
Decimal Form: 1.07142857...
Mixed Number Form: 1 1/
14
A. 1,690 miles because it’s for 30 days and they do 12 miles each day
Step-by-step explanation:
J=(x+4)²
K=(8-x)
X=5
=J+3k
=(x+4)(x+4)+3(8-x)
=(x²+8x+16+24-3x)
=25+25+40
=90
Alternatively:
J=(5+4)²
J=81
K=8-5
K=3
J+3k
81+3(3)
81+9
90