What geometric term does the surface of a chalkboard represent? a) plane b) point c) line d) angle

The answer is point

0.62 feet per second mark me brainliest

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.