Answer:
i know that the first one is not equivlent but i dont know about the others
Step-by-step explanation:
Answer:
make all the numbers have the same denominator, then simply see what multiplies to equal both fractions. your answer should be -3/10(1/5k+1)
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
make a formula, its the easiest way to solve problems like these also its very efficent
Answer:
140
Step-by-step explanation:
Substitute q = 5 and u = 7 into the expression
4qu
= 4 × 5 × 7 = 20 × 7 = 140