Sara is determining the total cost of her meal. the meal itself costs $9.75, and sara would like to leave a 15% tip. she uses the expression $9.75 + $9.75(0.15) to determine the total cost. which expression could sara use to make the calculation easier? a) $9.75 + 1.15 b) $9.75(0.15) c) $9.75(1.15) eliminate d) $9.75 + 0.15

Answer this question only if you know the 30 points and

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?