I need help please please

Question 9: 35    Question 10: 10

Step-by-step explanation:

Use BEDMAS (Brackets Exponents Division Multiplication Addition Subtraction).

Question 9:

Start with the brackets.

10 x 4 - (7 - 2)

= 10 x 4 - (5)

Then, multiply 10 and 4.

= 40 - 5

Solve the subtraction.

= 35

Question 10:

Start with the brackets.

1 - (2 - 3) + 8

= 1 - (-1) + 8

= 1 - - 1 + 8

(Two negatives = a positive)

= 1 + 1 + 8

Add the numbers.

= 10

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

0.32

step-by-step explanation:

2.24/7