What is the value of the expression 3/8 + (-4/5) + (-3/8) +5/4 (a) 0 (b) 1/20 (c) 9/20 or (d) 2 4/5

The answer would be 9/20

Step-by-step explanation:

To find this, first note that 3/8 and -3/8 would cancel each other out. So then we would have just two terms to add together. Give them like terms and then add them together.

-4/5 + 5/4

-16/20 + 25/20 = 9/20

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step-by-step explanation:

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.