Simlify 7y(3x - 5z)

1. 21xy - 35yz
2. 73xy - 75yz
3. 21xy - 5z
4. 3x - 35yz

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt