7/4 and 3 because they are positive
Answer:
18) 6x^2-7x-5
19) 20x^2+17x-63
20) 18x^2-20x+2
21) 5x^2+42x+16
Step-by-step explanation:
Perimeter=length×breadth
18) (3x-5)(2x+1)
=6x^2+3x-10x-5
=6x^2-7x-5
19) (4x+9)(5x-7)
=20x^2-28x+45x-63
=20x^2+17x-63
20) (18x-2)(x-1)
=18x^2-18x-2x+2
=18x^2-20x+2
21) (5x+2)(x+8)
=5x^2+40x+2x+16
=5x^2+42x+16
Answer:
11 , 13 , 15, 17 , 19 , 21 , 23 , 25 , 27 ,29 etc........
Answer:
Step-by-step explanation:
Y=mx+b
-2=2/7*0+b
-2=b
Then,
Y=2/7x-2
-2=y-intercept
2/7=slope
Answer:
54%
Step-by-step explanation:
162 divide by 300