1/4 = 1/2 (r + 10)

pls help! i will give

Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8+1/8+1/8+1/8+1/8+1/8d.8/8+6/8

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

Jonah buys a television that costs $445. sales tax in his state is 7 percent. which of the following expressions represent the amount of tax on the television?