Round the following numbers to 1 decimal place.
a)
27.564
b)
978.299
c)
42.935
d)
8.99

a. 27.6

b. 978.3

c. 42.9

d. 9.0.

Step-by-step explanation:

If the hundredth's digit is 5 or greater you round up the tenth's digit.

For example 27.564  There is a 6 in the hundredth's place so we add 1 to the 5 in the tenth's place.

For example Option d the hundredth's  is 9 so you add 1 to the 9 in the tenth's place. In this case  8.9  becomes 9.0.

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

the correct answer is 5 6 and 7