Tamara found the solution of x^2=64 to be x=8.

what mistake did tamara make in finding her solution?

a. she found the incorrect square root of 64.

b. she only found the square root of one side of the equation.

c. she only found the positive square root, not the negative square root

d. she found the cube root of 64 instead of the square root.

and d is not the answer

C

Step-by-step explanation:

given

x² = 64 ( take the square root of both sides )

x = ± = ± 8

Tamara omitted the negative square root → C

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720

3

step-by-step explanation: