Evaluate the expression 10−5a+(18−b), where a=2 and b=11. Which THREE expressions will have the same value?

A
28÷(a×2)

B
20+b−(4×a)

C
49−43+(a÷a)

D
30−25+(b−9)

E
50÷a−(b+20)

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

Rewrite so the subject can be y in the formula d=m-y/y+n