Ms. Salazar wants to travel to Italy for her next summer vacation. The trip will cost her $3900. She has
already saved $1500 and she plans to save $85
each
week from her paycheck. Write an equation to
determine how many weeks she must save until she has
enough money.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.