Answer:
46
Step-by-step explanation:
Since we know the value of the variable c, we can substitute 20 for c
2c + 6
2(20) + 6
40 + 6
46
Answer:
x = 48
Step-by-step explanation:
The trick here is to get everything into the numerator. To do this, we multiply everything by 4*3.

Answer:
You could do 5 x 1 = 5
And for fifty, 5 x 10 = 50
Step-by-step explanation:
Standard form is basically a big or small equation of the numbers
standard form is the usual way of writing numbers in decimal notation, i.e. standard form = 876, expanded form = 800 + 70 + 6, written form = eight hundred seventy six
Hope it helped :)