What is this expression in simplest form? 2ts-2 3 - 2 + 2 - 2 O A. 1 + 2 2 + 2 B. 1 I + 2 Oc. 2 OD. 1 - 1 I2+2​

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)? a. 9x^8 + 5x^7−4x^4 b. 3x^8 + 7x^7 c. 12x^8 − 2x^4 d. 5x^8 + 5x^7 + 4x^4