42 is 30% of 140
This is evident because, 42÷140=0.3
And you should hopefully know your place values right?
So then we know that 3 is in the10ths place and so to change the decimal to a fraction we get 3/10 which then changed to a percent, is equal to 30.
Long story short, 42 is 30% of 140 :)
The statement logically equivalent to the statement below will be
,,If today is Weekend,then it is not the Monday ."
<h3>
Answer: (4, -1)</h3>
Reason:
When rotating a point 180 degrees around the origin, you use the rule

We flip the sign of each coordinate from positive to negative or vice versa.
The point X is at the location (-4, 1). Rotating this 180 degrees will get us to X'(4, -1)
$1.47 = $9.80P
$1.47/$9.80 = $9.80P/$9.80
P = 0.15
The percent of tip is 15%
Today’s Lunch $12.60 x 15% = $12.60 x 0.15 = $1.89
She leaves $1.89 tip.
The answers is
a) z=105.53
b) k= 1