Represent the answer of each of the following by an algebraic expression. (a) what is the result of adding 5 to an unknown number x and then multiply the sum by 4? (solution and formula ) (b) a car travels 70 km in and hour, find the distance travelled in y hours. (solution and formula )

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.