<span>If QRST is a rectangle with QT = 50 and RS = 4x + 8, find x.
.
QT = RS (opposite sides of a rectangle are equal)
50 = 4x + 8
42 = 4x
10.5 = x</span>
Answer: a) 154 kilograms
Step-by-step explanation:
Given : Daisy, the african elephant weighs 10,250 pounds.
The daily feed intake for an elephant is approximately 1.5% of the animals body weight.
1.5% can be written as 0.015.
Now, the amount of feed is to be feed to Daisy to meet her requirements will be :_

Hence, 154 kilograms of feed is to be feed to Daisy to meet her requirements.
Kevin is now 24 and Daniel is 8 years old.
Answer: B.54 Square inches
Step-by-step explanation: Surface Area
= 2(lb + bh + lh)
= 2(6 x 3 + 3 x 1 + 6 x 1)
= 2(18 + 3 + 6)
= 2(27)
= 54 square inches
2:30
2 hrs and 15 minutes later
=
4:45
2:30
+ 30
=
3:30
+ 25
= 3:55
4:45 - 3:55
= 50 minutes
He finished his project at 4:45.
He spent 50 minutes building the model.