Answer:
4/5
Step-by-step explanation:
10:100=8:x
x= 100*8/10
x= 80 (80%)
80% = 80/100 = 8/10 = 4/5
-.095
the correct answer is 5√30
√20= 2√5
√3=√3
√18= 3√2
2√5 x √3 x 3√2= 5√30
70 degrees