Evalúa ab-0.5bab−0.5ba, b, minus, 0, point, 5, b cuando a=1a=1a, equals, 1 y b=5b=5b, equals, 5.

4.5

Step-by-step explanation:

Given the expression ab-0.5

We are to evaluate the expression if a =1 and b = 5

ab- 0.5

=  1(5) - 0.5

= 5 - 0.5

= 4.5

Hence the required result is 4.5

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

y= 2x+7

changed to y= 5x +7

as slope is increased from 2 to 5

therefore it would be less steeper

so, option d) is correct