Answer is A and C because they equal to 3(10-c)
Answer:
Vertex: (1, 6)
Axis of symmetry: x = 1
Step-by-step explanation:
<h3>a)

</h3><h3>■Dividing a positive and a negative equals a negative: (+)÷(-)=(-)</h3>
<h2>

</h2><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3>
<h2>

</h2><h3>■Multiply the fractions</h3>
<h2>

</h2>
<h3>Hence, Quotient =

</h3>
<h3>b)

</h3><h3>■Convert the decimals into a fractions</h3>
<h2>

</h2><h3>■Dividing a positive and a negative equals a negative: (+)÷(-)=(-)</h3>
<h2>

</h2><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3>
<h2>

</h2><h3>■Multiply the fractions</h3>
<h2>

</h2><h3>Hence, Quotient is

</h3>
<h3>c)

</h3><h3>■To divide by a fraction, multiply by the reciprocal of that fraction</h3>
<h2>

</h2><h3>■Multiply the fractions</h3>
<h2>

</h2><h3>Hence, The Quotient is

</h3>
Answer:
162°
Step-by-step explanation:
a circle has 360°, or the angle of a whole circle is that
so 45% of 360 =
0.45 times 360 = 162
6.28 (equation for circle perimeter is 2πr)