Doubles are adding the same number together, as with 5+5=10.
With doubles +1, the numbers must be in beside each other in counting order going up or down (ex: 4, 5, 6 and 9, 8, 7). Do the SMALLEST number, double it, then add one. So, 9+8 would be 8+8=16, +1=17. You must know your doubles facts before this strategy is useful.
Answer:
You need to include the graph
Step-by-step explanation:
You need to include the graph, you just pasted everything you copied.
Answer:
D) 26.04 ft
Step-by-step explanation:
Let's set up a equation with two ratios:

Plug in the given lengths into the equation:

We can solve this using cross multiplication (multiply the numerator of the first fraction by the denominator of the second and the numerator of the second by the denominator of the first):

D) 26.04 ft
Answer:
r*4.50+5=t
Step-by-step explanation: