will mark BRAINLIEST for correct answer. Find the sum. In your final answer, include your calculations. -3.45 + 5.1

1.65

Step-by-step explanation:

since you have a negative value, instead of adding you must substract the biggest number from the smallest number, getting: 5.1-3.45.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5