Ella dives off a dock into a lake. The depths of her dives are -6.9 feet, -8 2/5 feet, and -7.5 feet. She dives three more times with each dive 0.75 feet deeper than each of the first three dives.

Part A
Write and then evaluate an expression to determine the depth, in decimal form, of her fourth dive.

Enter the correct answers in the boxes.

Expression:___

Fourth Dive: __ feet

Part B

Write and then evaluat an expression to determine the depth, in decimal form, of her fifth dive.

Expresion:___
Fifth Dive: ___feet