20 points find the measure of ∠d if ∠a = 5/2x + 30 ∠b = 7/2x + 40 ∠c = 9/2x + 10 ∠d = 5/2x + 20 awnser choices a) 60° b) 70° c) 80° d) 100°

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units