Choose the value of x that makes the open sentence true. 40−x²<2x+15

a. 2
b. 3
c. 4
d. 5

d.

Step-by-step explanation:

15<25

40 - 5squared < 2(5)+15

40-25=15 which is less than the opposite side

2 times 5 +15= 25

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

a

step-by-step explanation: