Answer:
y=14
Step-by-step explanation:
plug in -2 in the place of x
y=-7(-2) y=14
Answer:
5P5×20P15
Step-by-step explanation:
A school bus has 25 seats, with 5 rows of 5 seats.
15 students from the first grade and 5 students from the second grade travel in the bus.
second-grade students occupy the first row.
The 5 students of second grade are to be seated in 5 seats,this can be done in:
5P5 ways where P is the permutation
Now 15 students from first grade are to be arranged in remaining 20 seats
This can be done in:
20P15 ways
Hence, total ways student can be seated is:
5P5×20P15
Answer:
295°.It is such an easy triangle
2.3
4.14
6.2
8.-9
10.-1
12.-13
14.-20
16.10
18.-2
20.-6
22.16