Answer:
D
Step-by-step explanation:
solve square root of 3x plus 1 = 4:
D is correct and results in 3x + 1 = 16; after this we subtract 1 from both sides and end up with 3x = 15, or x = 5.
Answer:
86% of 950 is 817
Step-by-step explanation:
You convert the fraction into a decimal by moving the point two spaces to the left. You then multiply .87 by 950 to get 817
23.7 is 1/10 the value of 237
Answer:

Step-by-step explanation:
Calculate the distance d using the distance formula
d = 
with (x₁, y₁ ) = (a, 0) and (x₂, y₂ ) = (0, b)
d = 
= 
= 