Acommemorative plaque is the shape of a trapezoid with a height of 8 inches and bases that measure 12 inches and 15 inches. what is the area of the plaque. (1/2 (b1 + b2) x h )

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.