Part A = She incorrectly add 1 (4/4) with 3/4, so instead of getting 7/4 she got 8/4.
Part B=She needs 28/4 (7) cups for 4 batches because 4/1x7/4=28/4.
4 + 2x = 7
2x = 7 - 4 = 3
x = 3/2 = 1.5 inches
Answer:100mm
Step-by-step explanation:
(-5+8*i)+(-9+5*i) evaluates to <span>-14+13i</span>