حل المعادلات التالية 4x - 5y = 39 3x + 8y = -6

A new self­tanning lotion for everyday use is to be sold. First, an experimental lotion mixture is made by mixing 800 ounces of everyday moisturizing lotion worth $0.30 an ounce with self­tanning lotion worth $3 per ounce. If the experimental lotion is to cost $1.20 per ounce, how many

Assume your company buys a parcel of land containing 283.5 acres. One-fourth of the land must be used for streets, and each homesite is to contain 3/7 of an acre. How many homesites will there be?

The locations of a spider (S) and its prey (P) are shown on the box below. The spider is on the front of the box, 1" from the bottom and 1" from the left side. The prey is on the back of the box 1" from the top and 1" from the right. The front, top and bottom sides of the box are 2" X 3". The left and right sides of the box are each 2" X 2". Find the shortest distance the spider must travel to get its prey. Find this length.