-18 - 30 = -48
The Scuba Diver is now 48 feet below sea level.
- 28 - 40i
note that i² = (√-1)² = - 1
expand product of factors using FOIL
= - 6 - 6i - 14i - 14i² - 20i + 36i²
= - 6 - 6i - 14i + 14 - 20i - 36
= - 28 - 40i
The value of 4 in 2,402 is 400(four-hundred) and in 64,513 its 4,000(four-thousand)
Hello,
y = ax + b where a is the slope ! so here the slope is 6
