Can someone help me with this question plz Casey starts with $180 in
her bank account. She
withdraws $90, and then
she deposits $50. Mitchell
starts with $120 in his bank
account. He deposits $75,
and then he withdraws $45.
Who has more money in
the bank at the end?

Please explain or show work.

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints