Answer
9/4 is already an improper fraction
Step-by-step explanation:
Any fraction that has numerator greater than its denominator is an improper fraction. If you mean mixed number, it’s 2 1/4
It should be the last one, but it’s 2^2 (2 to the power of 2 I can’t rlly write it here) not 22
Answer:
Step-by-step explanation:
for missing angle of triangle ABC
let the missing angle be y
31+111+x=180(sum of interior angle of a triangle is 180 degree)
142+y=180
y=180-142
y=38 degree
x=y(being alternate angles)
x=38 degree
Answer:
30%
Step-by-step explanation:
<h2><u>Percentage change </u></h2><h3>formula :</h3>

= 50 - 35 = 15
= 
<h3>=
30 %</h3>
Answer:
0.45
Step-by-step explanation:
4/10 is 0.4
and
5/100 is 0.05