Step-by-step explanation:
f(x) = 2x - 1
f(10) = 2(10) - 1
= 20 - 1 = 19
Answer:
3456
Step-by-step explanation:
the given equation is: 
= (9 × 8) (16 × 3)
= (72) (48)
= 3456
Answer:
p= 14
Step-by-step explanation:
sorry if the pic is blurry but side PQ=3, side QR=4, side RS=3, side SP=4
perimeter= length+length+width+width
perimeter=3+3+4+4
perimeter=6+8
perimeter=14