Answer:
Tahiya attempted 3 incorrect answers.
Helmin attempted 11 incorrect answers.
Step-by-step explanation:
Correct = +4
Incorrect = -3
1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.
Tahiya attempted 3 incorrect answers.
Helmin attempted 11 incorrect answers.
Answer:
I prefer taking B
Step-by-step explanation : because when the degree is 90 than it should be a right triangle
Do you want the full answer
Answer:
m<U = 
Step-by-step explanation:
From the given question, it can be observed that angles U and W are supplementary. These are angles that add up to
.
So that;
<U + <W = 
(8x + 9) + (8x - 5) = 
16x + 4 = 
16x =
- 4
16 x = 176
x = 
= 
The measure of angle U = (8x + 9)
= 8(11) + 9
= 88 + 9
= 
Thus, the measure of angle U is
.