Answer:
A. -45
Step-by-step explanation:
multiplying a positive an a negative number gives out a negative result
so when we multiple 9 with -5 the result is -45
Answer: is actually 15×4 is 60 and 60 is greater than 29
Step-by-step explanation:
The price of the discount is $25 x 0.15 = $3.75
The price of the book with discount is $25 - $3.75 = $21.25
the second and the last,
since quadratic inside radical without multiplication with linear function
20% of 75 = 15
75 - 15 = £60
It should be c) £60