option B
Explanation:
The cost of renting per hour = $2
For 1 hour = $2
For each additional hour, it is $1
For 2 hours = First hour + 1(additional hour)
For 2 hours = $2 + $1(1) = 2+1 = $3
For 3 hours = $2 + $1 (2) = 2+2 = $4
For 4 hours = $2 + $1(3) = 2+3 = $5
The graph which shows this rental cost as 2, 3, 4, 5 is option B
Answer:
6. First choice
7. Second choice
Step-by-step explanation:
For number 6, The first choice has a closed circle and the arrow goes to the right, meaning greater than or equal to
For number 7, all values are include except where the open circle is
Lets LA lateral area and SA surface area, b base and l slant height, h the height:
LA= 3(1/2 b l)= 3/2 (10)(8)= 120 cm²
SA= 1/2 bh+3/2 bl
SA=1/2 (8.66)(10)+120cm²= 163.3 cm²
